Skip to content
Vet RanchVet Ranch
  • Home
  • Pet Animals
    • Dog
      • Dog Crate
      • Dog House
      • Dog Nail
      • Dog Shampoo
      • Dog Bed
      • Dog Harness
      • Dog Door
      • Dog Muzzles
      • Dog Car Seat
      • Dog Feeder
      • Dog Harness
      • Dog Kennel
      • Dog Pen
    • Cat
      • Cat Carrier
      • Cat Clipper
      • Cat Couch
      • Cat exercise wheel
      • Cat Litter
      • Cat Litter Box
      • Cat scratching post
      • Cat stroller
      • Cat Tracker
      • Cat Tree
      • Cat Vacuum
    • Bird
      • Bird Camera Feeder
      • Bird Stand
      • Bird Bath
      • Bird Cage
      • Bird Crate
      • Bird Feeder
      • Bird Seed
    • Rabbit
      • Rabbit Cage
      • Rabbit Hutch
    • Fish
      • Fish Tank
      • Fish Aquarium
    • Pet Stroller
  • Knowledge
    • Best Product
    • Review
    • Blog
  • About Us
  • Contact Us
  • Write for Us
Vet RanchVet Ranch
  • Home » 
  • Cat Vacuum » 
  • Best Handheld Vacuum For Cat Hair

Best Handheld Vacuum For Cat Hair

Arthur Crowley June 30, 2023

Are you looking for a option to the Best Handheld Vacuum For Cat Hair in your feline’s hair? Do you find it exhausting to tidy up after their everyday activities? If indeed, after that you could benefit from buying a high-quality feline vacuum cleaner. These vacuum cleaners are particularly developed for family pet owners and come with features such as solid suction and convenient waste cylinder removal. They are guaranteed to simplify the process of maintaining your furry close friend’s mess controlled!

This post will certainly provide detailed details regarding the attributes and also advantages of the currently offered Best Handheld Vacuum For Cat Hair . It will certainly additionally include useful purchasing guidance to assist you make an educated purchase. Continue reading to get more information.

Contents
  1. Best Handheld Vacuum For Cat Hair – Full Review And Buying Overview
    1. BISSELL Pet Hair Eraser Cordless Hand Vacuum, Lithium Ion, Home, Auto, and Pet Vacuum, Easy-Empty Dirt Bin, Upholstery Tool, Brush Tool, and Crevice Tool Included, 2390A
      1. Features
    2. Pet Hair Handheld Vacuum Cordless: 20000PA High Power Car Vacuum with Motorized Brush and LED Light, Rechargeable Hand Held Vacuum Cleaner with Reusable Filter for Car, Home, Office & Pet, Purple
      1. Features
    3. Shark UltraCyclone Pet Pro Plus Cordless Hand Vacuum, Powerful Suction, Handheld Vacuum for Car & Home, Pet Power Brush, Crevice Tool, Scrubbing Brush, XL Dust Cup, Black, CH951
      1. Features
    4. Bissell Pet Hair Eraser Cordless Hand Vacuum, Home, Auto, and Pet Vacuum, Crevice Tool, Upholstery Tool, and Motorized Brush Included, 1782
      1. Features
    5. Cordless Vacuum Cleaner Handheld - 20000Pa Powerful Suction, Hand Vacuum Cordless Rechargeable for Car, Pet Hair, Stairs, Carpet, Couch - Portable Wireless Vac with HEPA Filter & 4 Attachments
      1. Features
    6. YoPoll Cat Grooming Vacuum Kit with Brush, Low-Noise Pet Hair Shedding Trimming Grooming for Indoor Cats, 4 in 1 Pet Vacuuming Groomer for Long or Short Haired Kitten Accessories(White)
      1. Features
    7. A9life Handheld Vacuum Cordless, Car Vacuum Cleaner Portable with HEPA Filter, 2 Suction Modes, Mini Hand Held Vacuum Rechargeable for Car, Home, Pet Hair, Office, Desk, Keyboards (Black)
      1. Features
  2. Things to Think About when Getting Best Handheld Vacuum For Cat Hair
    1. Think About the Area Size To pick a cat vacuum, think of the space you require to clean up. Feline vacuum cleaners have different dimensions, varying from tiny portable tools to big commercial ones. Think about the regularity of use as well as the available storage room to choose which kind works best for you. Check out the Features
    2. Read Reviews
  3. Verdict

Best Handheld Vacuum For Cat Hair – Full Review And Buying Overview

Check out our top products that you can purchase:

1
BISSELL Pet Hair Eraser Cordless Hand Vacuum, Lithium Ion, Home, Auto, and Pet Vacuum, Easy-Empty Dirt Bin, Upholstery Tool, Brush Tool, and Crevice Tool Included, 2390A
BISSELL Pet Hair Eraser Cordless Hand Vacuum, Lithium Ion, Home, Auto, and Pet Vacuum, Easy-Empty...
BUY NOW Amazon.com
9.9
BUY NOW
Amazon.com
2
Pet Hair Handheld Vacuum Cordless: 20000PA High Power Car Vacuum with Motorized Brush and LED Light, Rechargeable Hand Held Vacuum Cleaner with Reusable Filter for Car, Home, Office & Pet, Purple
Pet Hair Handheld Vacuum Cordless: 20000PA High Power Car Vacuum with Motorized Brush and LED...
BUY NOW Amazon.com
9.4
BUY NOW
Amazon.com
3
Shark UltraCyclone Pet Pro Plus Cordless Hand Vacuum, Powerful Suction, Handheld Vacuum for Car & Home, Pet Power Brush, Crevice Tool, Scrubbing Brush, XL Dust Cup, Black, CH951
High quality
Shark UltraCyclone Pet Pro Plus Cordless Hand Vacuum, Powerful Suction, Handheld Vacuum for Car &...
BUY NOW Amazon.com
9.4
BUY NOW
Amazon.com
4
Bissell Pet Hair Eraser Cordless Hand Vacuum, Home, Auto, and Pet Vacuum, Crevice Tool, Upholstery Tool, and Motorized Brush Included, 1782
Bissell Pet Hair Eraser Cordless Hand Vacuum, Home, Auto, and Pet Vacuum, Crevice Tool,...
BUY NOW Amazon.com
9.2
BUY NOW
Amazon.com
5
Cordless Vacuum Cleaner Handheld - 20000Pa Powerful Suction, Hand Vacuum Cordless Rechargeable for Car, Pet Hair, Stairs, Carpet, Couch - Portable Wireless Vac with HEPA Filter & 4 Attachments
Cordless Vacuum Cleaner Handheld - 20000Pa Powerful Suction, Hand Vacuum Cordless Rechargeable...
BUY NOW Amazon.com
8.3
BUY NOW
Amazon.com
6
YoPoll Cat Grooming Vacuum Kit with Brush, Low-Noise Pet Hair Shedding Trimming Grooming for Indoor Cats, 4 in 1 Pet Vacuuming Groomer for Long or Short Haired Kitten Accessories(White)
YoPoll Cat Grooming Vacuum Kit with Brush, Low-Noise Pet Hair Shedding Trimming Grooming for...
BUY NOW Amazon.com
7.6
BUY NOW
Amazon.com
7
A9life Handheld Vacuum Cordless, Car Vacuum Cleaner Portable with HEPA Filter, 2 Suction Modes, Mini Hand Held Vacuum Rechargeable for Car, Home, Pet Hair, Office, Desk, Keyboards (Black)
A9life Handheld Vacuum Cordless, Car Vacuum Cleaner Portable with HEPA Filter, 2 Suction Modes,...
BUY NOW Amazon.com
7.6
BUY NOW
Amazon.com

*Note: The score is based on our AI score (Editor’s choice and rating).
BISSELL Pet Hair Eraser Cordless Hand Vacuum, Lithium Ion, Home, Auto, and Pet Vacuum, Easy-Empty Dirt Bin, Upholstery Tool, Brush Tool, and Crevice Tool Included, 2390A

BISSELL Pet Hair Eraser Cordless Hand Vacuum, Lithium Ion, Home, Auto, and Pet Vacuum, Easy-Empty Dirt Bin, Upholstery Tool, Brush Tool, and Crevice Tool Included, 2390A

$79.95  in stock
10 new from $78.99
28 used from $68.77
Free shipping
BUY NOW
Amazon.com
as of September 24, 2025 7:53 am

Features

  • EVERY PURCHASE SAVES PETS. Every purchase makes it possible for BISSELL to continue our support of BISSELL Pet Foundation and its mission of saving pets in need.
  • POWERFUL PET CLEANING. Remove embedded dirt and pet hair with a motorized brush tool designed specifically for homes with pets.
  • CORDLESS CONVENIENCE. Clean wherever you need with a 14V lithium-ion battery that delivers reliable power.
  • EASY-EMPTY DIRT BIN. Designed to trap pet hair and messes—so you can empty it quickly and clean more efficiently.
  • SPECIALIZED PET TOOLS INCLUDED. Comes with a motorized brush tool, upholstery tool, and crevice tool to tackle messes on furniture, stairs, auto interiors, and more.
Pet Hair Handheld Vacuum Cordless: 20000PA High Power Car Vacuum with Motorized Brush and LED Light, Rechargeable Hand Held Vacuum Cleaner with Reusable Filter for Car, Home, Office & Pet, Purple

Pet Hair Handheld Vacuum Cordless: 20000PA High Power Car Vacuum with Motorized Brush and LED Light, Rechargeable Hand Held Vacuum Cleaner with Reusable Filter for Car, Home, Office & Pet, Purple

$199.99
$69.99
 in stock
6 new from $69.99
Free shipping
BUY NOW
Amazon.com
as of September 24, 2025 7:53 am

Features

  • Tired of stubborn pet hair? Meet the VC038S Pet Vac—the ultimate cordless handheld vacuum for pet owners! ✔ Effortless Cleaning: Built-in automatic roller brush removes pet hair, cat litter, debris, and dirt in seconds. ✔ Versatile Use: Perfect for couches, carpets, car interiors, and more—no mess is too tough! ✔3-Year Replacement Promise-Free Parts Replacement. No Hassle, No Cost!
  • 20000PA SUCTION EXPERIENCE: Enjoy reliable cleaning performance with 60% stronger suction compared to other handheld vacuums. With 20,000 PA of powerful suction, the vacuum effortlessly picks up pet hair, dust, and debris. Moreover, the dual suction modes (Eco/Max) and extended battery life ensure efficient cleaning anywhere. Advanced heat dissipation maintains consistent power, making it perfect for cars, homes, and delicate surfaces.
  • MAKES CLEANING QUICKER AND EASIER: This pet hair vacuum features a 10400mAh battery with Type-C fast charging, supporting 5V/2A adapters for a full charge in 2.5H. It offers 18-32 minutes of runtime (depending on mode). LED indicators display charging status (red/green light). Tired of emptying? While ordinary vacuums have small 120ml bins. Our VC038S has a 720ml bin-effortlessly containing piles of pet hair and debris while reducing emptying frequency by 80%.
  • DUAL FILTRATION SYSTEM: The hand held vacuum features a dual filtration system, including two washable HEPA filters (usable for 3–4 months) and an upgraded steel filter (lasting over 1 year with cleaning). The HEPA filter traps tiny particles, while the steel filter blocks larger debris, protecting the motor and maintaining suction. When dirty, the HEPA filter may reduce performance and requires prompt cleaning.
  • PACKAGE ACCESSORIES: Various professional accessories, clean like a pro anytime, anywhere! Handheld vacuum x 1, Charging cable x 1, Automatic Rolling Brush x 1, HEPA Filter x 3, 2-in-1 Brush x 1, Long Suction Nozzle x 1, Flexible Hose x 1,User Manual x 1, Gift Box x 1. If you have any questions about the product, emailus and we will answer in 12 hours. We provide refund and exchange service due to quality problems.(3 years of free replacement parts service - such as brushes and filters)
Shark UltraCyclone Pet Pro Plus Cordless Hand Vacuum, Powerful Suction, Handheld Vacuum for Car & Home, Pet Power Brush, Crevice Tool, Scrubbing Brush, XL Dust Cup, Black, CH951

Shark UltraCyclone Pet Pro Plus Cordless Hand Vacuum, Powerful Suction, Handheld Vacuum for Car & Home, Pet Power Brush, Crevice Tool, Scrubbing Brush, XL Dust Cup, Black, CH951

$99.99
$69.99
 in stock
8 new from $69.99
31 used from $53.61
Free shipping
BUY NOW
Amazon.com
as of September 24, 2025 7:53 am

Features

  • 4-in-1 versatility: Power through tasks with or without accessories – includes 3 premium cleaning tools.
  • Compact, powerful, and built for quick cleanups: Designed to tackle car messes, quick cleanups at home, and unexpected pet hair.
  • Ultra-powerful suction: With two ultra-powerful cyclonic air streams for incredible suction and long-lasting filter and motor life.
  • Cordless convenience: Grab-and-go for spot cleaning anywhere.
  • Lightweight & portable: At only 2.8lbs, it’s easy to carry, store, and maneuver wherever you need it most.
Bissell Pet Hair Eraser Cordless Hand Vacuum, Home, Auto, and Pet Vacuum, Crevice Tool, Upholstery Tool, and Motorized Brush Included, 1782

Bissell Pet Hair Eraser Cordless Hand Vacuum, Home, Auto, and Pet Vacuum, Crevice Tool, Upholstery Tool, and Motorized Brush Included, 1782

$69.99  in stock
3 new from $69.99
28 used from $53.78
Free shipping
BUY NOW
Amazon.com
as of September 24, 2025 7:53 am

Features

  • Buy BISSELL, save pets. BISSELL will donate $5 to BISSELL Pet Foundation for each Pet Hair Eraser Hand Vacuum Pet purchase upon activation.Specific uses:Carpet,Car Interiors,Furnitures
  • Cordless to clean wherever your pet goes
  • Motorized foot provides powerful suction for a deeper clean
  • Crevice tool helps clean hard-to-reach areas and tight spaces
  • Upholstery tool cleans soft surfaces and furniture with felt to attract more pet hair
Cordless Vacuum Cleaner Handheld - 20000Pa Powerful Suction, Hand Vacuum Cordless Rechargeable for Car, Pet Hair, Stairs, Carpet, Couch - Portable Wireless Vac with HEPA Filter & 4 Attachments

Cordless Vacuum Cleaner Handheld - 20000Pa Powerful Suction, Hand Vacuum Cordless Rechargeable for Car, Pet Hair, Stairs, Carpet, Couch - Portable Wireless Vac with HEPA Filter & 4 Attachments

$42.99
$40.79
 in stock
2 new from $40.79
Free shipping
BUY NOW
Amazon.com
as of September 24, 2025 7:53 am

Features

  • 【Powerful 20000Pa Suction & 85000 RPM Motor‌】 - Our 120W hand held vacuum cordless delivers ultra-strong suction (20000Pa) with an 85000 RPM motor to effortlessly clean pet hair,cat litter, pet food, sand, crumbs, coins, and liquids from carpets, stairs, sofas, kitchen and car accessories interior. The advanced cyclone technology prevents filter clogging for consistent powerful wireless cleaning
  • 【Rechargeable & Long Runtime‌】: Enjoy 30+ mins of cordless cleaning with the 12V lithium battery. Perfect for quick cleanups on stairs, sofas, mattresses, and car upholstery without the hassle of wires
  • 【HEPA Washable Filter & 500mL Dustbin‌】: The reusable HEPA filter traps 99.9% of microparticles (like cat litter or smoke residue) and is easy to clean. The large 500mL capacity reduces frequent emptying
  • 【4 Multi-Purpose Attachments Included‌】- This pet hair vacuum comes with floor brush (for carpets/upholstery), crevice tool (for car seats/mattresses), soft brush (for sofas/couches), and flexible hose to clean every corner. At just 1.31 lbs, this wireless vacuum cleaner for home is easy to carry, ideal for cars, pet hair removal, and tight spaces like between couch cushions
  • 【Advanced Cyclone Tech & Quiet Operation‌】 - 360° cyclone system creates strong vacuum vortex while keeping filters unclogged. Dual noise reduction ensures quiet operation (
YoPoll Cat Grooming Vacuum Kit with Brush, Low-Noise Pet Hair Shedding Trimming Grooming for Indoor Cats, 4 in 1 Pet Vacuuming Groomer for Long or Short Haired Kitten Accessories(White)

YoPoll Cat Grooming Vacuum Kit with Brush, Low-Noise Pet Hair Shedding Trimming Grooming for Indoor Cats, 4 in 1 Pet Vacuuming Groomer for Long or Short Haired Kitten Accessories(White)

$43.99  in stock
BUY NOW
Amazon.com
as of September 24, 2025 7:53 am

Features

  • 【Ultra-Portable Grooming Power】 This cordless cat vacuum groomer delivers professional results in a lightweight, handheld design. The rechargeable battery provides complete freedom of movement during grooming sessions.
  • 【Tangle-Free Cordless Operation】 Say goodbye to bulky cords! Our wireless pet groomer moves effortlessly around your cat without restriction. Perfect for grooming anxious pets who need space.
  • 【Compact & Travel-Ready】 Designed for easy storage and portability, this handheld cat groomer slips neatly into drawers or travel bags. Keep it handy for quick touch-ups anywhere.
  • 【All-Attachments-Included】 Comes with 3 essential tools that store directly on the unit: grooming head Mini furniture nozzle Pocket-sized detangling comb
  • 【One-Hand Grooming Master】 The ergonomic portable groomer allows full control while holding your cat. Rechargeable convenience meets professional results!
A9life Handheld Vacuum Cordless, Car Vacuum Cleaner Portable with HEPA Filter, 2 Suction Modes, Mini Hand Held Vacuum Rechargeable for Car, Home, Pet Hair, Office, Desk, Keyboards (Black)

A9life Handheld Vacuum Cordless, Car Vacuum Cleaner Portable with HEPA Filter, 2 Suction Modes, Mini Hand Held Vacuum Rechargeable for Car, Home, Pet Hair, Office, Desk, Keyboards (Black)

$19.99  in stock
2 new from $19.99
Free shipping
BUY NOW
Amazon.com
as of September 24, 2025 7:53 am

Features

  • Ultra-Lightweight & Effortlessly Cordless: Weighing just 0.72 lbs (lighter than most water bottles!), this handheld vacuum glides effortlessly for hassle-free, one-handed cleaning. Enjoy total cordless freedom to tackle messes anywhere in your car, home, or office - no outlets needed
  • Powerful Suction for Any Mess: Tackle dust, debris, pet hair, sand, or crumbs in seconds with serious suction power. Featuring two adjustable suction modes (Eco/Max), this portable vacuum effortlessly handles both everyday spills and tougher cleaning tasks in your car, home, or workspace
  • Various Tools for Every Surface: Transform every cleaning task with 3 specialized tools. A Crevice Nozzle for tight spots (car seats, couch gaps), a Brush Nozzle to lift embedded pet fur from upholstery, and a unique Rubber Blow Nozzle (installed at the bottom of the vacuum) to blast debris out of keyboards, vents, and hard-to-reach corners
  • Fast USB-C Charge & Long Runtime: Get back to cleaning fast! A full charge takes only 2.5 hours via the convenient USB-C port (charge anywhere with a power bank or car adapter). Get up to 30 minutes of cordless freedom on Eco mode. Compact and portable, it stashes anywhere for instant grab-and-go cleanup
  • HEPA Filter & Easy Maintenance: Our handheld vacuum cleaner features HEPA filter that enables the vacuum to effectively filter dust during cleaning. Includes 2 extra washable, reusable filters - making maintenance simple and cost-effective. Tip: Simply unscrew the dust cup counterclockwise to empty or swap filters

Things to Think About when Getting Best Handheld Vacuum For Cat Hair

Think About the Area Size

To pick a cat vacuum, think of the space you require to clean up. Feline vacuum cleaners have different dimensions, varying from tiny portable tools to big commercial ones. Think about the regularity of use as well as the available storage room to choose which kind works best for you.

Check out the Features

To make an informed acquisition of a feline vacuum cleaner, analyze the motor’s power as well as the filtering system it makes use of to identify its effectiveness in gathering pet hair and particles. Some models have accessories made especially for pet dog hair removal, such as upholstery brushes and also turbo-powered nozzles, which can be valuable for dealing with persistent fur and also dander.

Read Reviews

To guarantee that you get a reliable and also effective pet cat vacuum, it is very important to review consumer testimonials before making a purchase. Sites like Amazon and Customer Information provide customer rankings that can provide you an concept about the top quality of the item. By doing your research study beforehand, you can discover a vacuum cleaner that will last for several years.

Verdict

The very best Best Handheld Vacuum For Cat Hair for you will certainly rely on your certain needs as well as choices. If you value mobility, a light-weight model without accessories might be more effective. However, if you want more attributes, a heavier design with added accessories may be a better option.

Regardless of which vacuums you pick, studying ahead of time to see to it it is suitable for pet dog use as well as taking normal cleansing breaks so your pet dog can observe the task will assist produce a smoother change right into using a vacuum cleaner.

Share
facebookShare on FacebooktwitterShare on TwitterpinterestShare on Pinterest
linkedinShare on LinkedinvkShare on VkredditShare on ReddittumblrShare on TumblrviadeoShare on ViadeobufferShare on BufferpocketShare on PocketwhatsappShare on WhatsappviberShare on ViberemailShare on EmailskypeShare on SkypediggShare on DiggmyspaceShare on MyspacebloggerShare on Blogger YahooMailShare on Yahoo mailtelegramShare on TelegramMessengerShare on Facebook Messenger gmailShare on GmailamazonShare on AmazonSMSShare on SMS
Post navigation
Previous post

Best Robot Vacuum For Cat Hair And Litter

Next post

Best Stick Vacuum For Cat Litter On Hardwood Floors

Arthur Crowley

Arthur Crowley

To provide you with the expert assistance you need, Vet Ranch with licensed veterinarians can answer your health-related pet issues.

For the purpose of sharing knowledge with each other, we have jointly created this website, where you can get useful information from us and also where we expand our knowledge through your comments from you.

Related Posts

Best Handheld Vacuum For Cat Hair

Best Cat Fur Vacuum

Best Handheld Vacuum For Cat Hair

Best Cat Fur Remover Vacuum Cleaner Hand Held

Best Handheld Vacuum For Cat Hair

Best Cat Fur Remover Vacuum Cleaner

Best Handheld Vacuum For Cat Hair

Best Vacuum Pet Hair Cat Litter

Best Handheld Vacuum For Cat Hair

Best Cat Dog Vacuum Cleaners

Best Handheld Vacuum For Cat Hair

Best Vacuum For Thick Rugs & Picking Up Cat Litter

Best Handheld Vacuum For Cat Hair

Best Cat Dog Vacuum Cleaner

Best Handheld Vacuum For Cat Hair

Best Vacuum For Picking Up Cat Litter On Carpet

Affiliate disclaimer

Vet Ranch (vetranch.org) is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates.

Affiliate Disclaimer

Vet Ranch (vetranch.org) is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates.

Category

Best Product

Review

Blog

Page

  • About Us
  • Contact Us
  • Affiliate Disclaimer
  • Privacy Policy

Follow us on social

VET RANCH LOGO
FacebookFacebookTwitterInstagramYoutubeYoutube
Copyright © 2025 Vet Ranch
Your privacy

By selecting "Accept all cookies," you consent to Vetranch storing cookies on your device and disclosing information in accordance with our Privacy policy

Menu
  • Home
  • Pet Animals
    • Dog
      • Dog Crate
      • Dog House
      • Dog Nail
      • Dog Shampoo
      • Dog Bed
      • Dog Harness
      • Dog Door
      • Dog Muzzles
      • Dog Car Seat
      • Dog Feeder
      • Dog Harness
      • Dog Kennel
      • Dog Pen
    • Cat
      • Cat Carrier
      • Cat Clipper
      • Cat Couch
      • Cat exercise wheel
      • Cat Litter
      • Cat Litter Box
      • Cat scratching post
      • Cat stroller
      • Cat Tracker
      • Cat Tree
      • Cat Vacuum
    • Bird
      • Bird Camera Feeder
      • Bird Stand
      • Bird Bath
      • Bird Cage
      • Bird Crate
      • Bird Feeder
      • Bird Seed
    • Rabbit
      • Rabbit Cage
      • Rabbit Hutch
    • Fish
      • Fish Tank
      • Fish Aquarium
    • Pet Stroller
  • Knowledge
    • Best Product
    • Review
    • Blog
  • About Us
  • Contact Us
  • Write for Us
FacebookTwitterPinterest