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Litter Boxes
  • Modkat Flip
    Front-Entry Litter Box

  • Modkat XL
    Front/Top-Entry Litter Box

  • Modkat
    Top-Entry Litter Box

  • Cat in a litter tray
  • Modkat Tray
    Open Litter Box

  • Accessories
  • Litter Keeper
    Two colors

  • Lounge + Play
    Scratchers & toys

  • Litter Mats
    Multiple styles, colors & sizes

  • Learn
  • Purrr Blog
    Happy + healthy kitty

  • Our Story
    How it all started

  • Support
    Read FAQ's or contact us

  • Liners
  • Modkat
    Type A

  • Flip
    Type F

  • Modkat XL
    Type C (Top-Entry)

  • Modkat XL
    Type D (Front-Entry)

  • Tray
    Type G

  • All Liners

  • Litter Box Odor Filter Kit

    Options
    • Choose the correct holder (With clip or no clip)
    • 100% Natural Bamboo Charcoal
    • Traps and eliminates odors
    • Fragrance-free, non-toxic and eco-friendly
    • It helps prevent mold, mildew, and bacteria
    • Recharges in the sun and is biodegradable
    • Purchase Odor Filter Refills » 

    Customer Reviews

    Based on 79 reviews
    75%
    (59)
    11%
    (9)
    8%
    (6)
    1%
    (1)
    5%
    (4)
    G
    Gail D.
    Somewhere Over the Rainbow..

    Dreams really do come true! The filters really did it for me! I didn’t realize they even were a thing - cleaned the box, cleaned litter every day, used baking soda and everyday, the kitty odor grew. I contacted Modkat (after almost 2 years) to ask if there was an original liner that I’d thrown out and the new liners weren’t working and could I buy the original liners net again. I loved the box but the sprays and deterrents didn’t work and I knew I’d have to get rid of the box. It was attractive, easy to clean, my kitty loved it but … it really stunk. These lovely people came back to me and politely asked if I was changing the filter regularly. Filter? What filter? Went back and read the Amazon ad (two years later mind you) and there it was! A filter assessory. Bought the kit, cleaned the box (and the whole room again), filled it with fresh litter and within a week, the air was fresh and clean again. So, dear people, read the very clear discription of how it works all works and you too you’ll find that “dreams really do come true”! You’ve bought the best litter box ever - you can trust me - I’m a great-grandmother now and I’ve tried everyone ever made!

    M
    Mike M.
    Good Service

    Product was just what I ordered. Good service!

    V
    VR
    Excellent product!

    We love the top entry litter box and really appreciate the effectiveness of the filters. No odor whatsoever!

    J
    Jack
    I had one of those fancy robot litter boxes and [REDACTED]

    Look, I'm not getting into specifics here. I had, um, problems with it that I didn't have with the Modkat, so I bought a second one. They're great and worth the money.

    G
    Gary V.

    Odor Filters + Holders