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LitterHopper®

As low as €140
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Say goodbye to another litter box chore. The Litter-Robot 4 LitterHopper® handles the task of refilling litter to optimal levels so you don’t have to, whether you’re home or away.
  • 90-Day In-Home Trial
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Note: Advertised price includes estimated VAT; actual VAT will be calculated at checkout. Cross-border credit card fee may apply.

The LitterHopper automatically dispenses fresh cat litter into your Litter-Robot 4, ensuring litter is at the optimal level for your cat’s use. Get time back and enjoy added convenience with this hands-free solution to litter refills.

  • Automatically dispenses litter into the globe as needed
  • Maintains the recommended litter bed level 
  • Holds up to 3.25 litres of litter
  • Compatible with multiple litter types, including clay and silica*
  • New bonnet included (Litter-Robot 4 not included)
  • Installation required
  • *Litter-Robot sold seperately

Convenient refills

LitterHopper takes another chore off your list by automatically refilling litter, whether you’re out of town or in the next room. 

Person putting litter in hopper

Optimal litter levels

Get peace of mind knowing your cat has a clean place to go and optimal litter levels every time.

tabby cat using Litter-Robot 4 with litter box accessories

Connects to the app

Use the Whisker app to see the LitterHopper's status and litter-dispensing history.

images of hopper in the Whisker APP
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Specs

Litter-Robot 4 front tech specs
Litter-Robot 4 side tech specs
  • Capacity: 3.25 litres
  • Motor Power: 12 volts
  • Weight (Empty): 11.8 kg
  • Footprint: 56 cm x 73.2 cm

FAQ

  1. Customer Avatar

    Number of Cats 2

    Number of Litter-Robots 1

    Type of Home Condo

    LitterHopper® - Black

    Product Rating

    Great addition to my robot

    I am so glad I bought this. It was easy to install and gives me peace of mind that the litter level will always be optimal especially when we go away for a few days. I think it is well worth the investment!

    Whisker Team

    Hi Laura. Thank you for the review! We're so glad the LitterHopper has been a helpful addition to your Litter-Robot. It's our pleasure to be a part of making life with your kitty pals a little easier. We appreciate you choosing Whisker!
    Was this review helpful? 0 0
  2. Customer Avatar

    Number of Cats 2

    Number of Litter-Robots 1

    Type of Home House

    LitterHopper® - White

    Product Rating

    The Litter Robot 4 isn't complete without it!

    When I first received the Litter Robot 4 as a present, I was elated, as it was the first kitty litter system that actually worked! The last one I had tried had a auto refill system which I loved, but the litter system did not work. So I immediately o ... Show More

    Whisker Team

    Hello Pam, thank you so much for your PAW-sitive review of the LitterHopper®. We are delighted to know that it's made life with your Litter-Robot 4 so much easier! We will take your feedback about the text alerts to our engineering team! We appreciate your comments and love having you in the Whisker family.
    Was this review helpful? 3 0
  3. Customer Avatar

    Number of Cats 4

    Number of Litter-Robots 2

    Type of Home House

    LitterHopper® - Black

    Product Rating

    Revised review!

    My original review (which I can’t seem to change), we couldn’t get the hopper to work at all, even after troubleshooting for days. We finally decided to stop following the written instructions and watched the video. It explains everything so much bet ... Show More

    Whisker Team

    Hi, Denise! Thank you for your revised review of the LitterHopper. It's wonderful to hear that the hopper is working well now and that you are enjoying no longer having to bend over to fill the globe with litter. Thank you for being a part of the Whisker Family.
    Was this review helpful? 1 0
  4. Customer Avatar

    Number of Cats 2

    Number of Litter-Robots 1

    Type of Home House

    LitterHopper®

    Product Rating

    Should have ordered earlier

    pretty easy to setup except the key was little stuck on my machine. but it works great! it dispenses litter when machine run cleaning cycle, so no extra loud noise that i noticed. i wish it has a smooth silicone transition between hopper and the hood ... Show More

    Whisker Team

    Hi there, Tamaki! Thanks for sharing your review. We're sorry for the initial issue with the key, during the setup of your LitterHopper®, but we're glad to see that you've gotten that figured out. We love knowing that it's enhancing your experience with your Litter-Robot 4! We thank you for being a loyal customer and part of the Whisker family! =^_^=
    Was this review helpful? 1 0
  5. Customer Avatar

    Number of Cats 4

    Number of Litter-Robots 2

    Type of Home House

    LitterHopper® - White

    Product Rating

    Litter Hopper, how did I not know about you sooner???

    I really love having this. It has been so helpful in keeping the litter at a good level. I just have to remember to fill it. :)

    Whisker Team

    Hi Deb! Thanks for the kind review! We're happy to hear that the LitterHopper has proved to be a worthwhile accessory for your Litter-Robot 4! As pet people, we are very detailed with the products we provide for your pets. We hope you continue to enjoy our products for years to come. Thank you for being a loyal member of our Whisker Family!
    Was this review helpful? 1 0
  6. Customer Avatar

    Number of Cats 3

    Number of Litter-Robots 1

    Type of Home House

    LitterHopper® - White

    Product Rating

    LitterHopper ROCKS!

    I had the Litter Robot 4 without the LitterHopper for several months and it worked just fine. However, when we went out of town, I would have to tell the house sitter when to add litter to the Unit. Now, with the Hopper, I only need to tell them wh ... Show More

    Whisker Team

    Thank you for the feedback, Vicki! We’re happy to hear you’re loving the LitterHopper. We appreciate your paw-some review and hope you continue to enjoy our products for years to come.
    Was this review helpful? 1 0
  7. Customer Avatar

    Number of Cats 2

    Number of Litter-Robots 1

    Type of Home House

    LitterHopper® - White

    Product Rating

    Great buy

    I have had litter robot for 2 years and the hopper just over a week I wish I had it day one !

    Whisker Team

    Hey, Jody! We are so glad you made the jump to the LitterHopper! Reviews like this mean the world to us. Thank you for being a loyal customer.
    Was this review helpful? 0 0
  8. Customer Avatar

    Number of Cats 2

    Number of Litter-Robots 1

    Type of Home House

    LitterHopper® - Black

    Product Rating

    Litter Hopper

    I love my litter hopper and my litter robot! So convenient and makes life so much simpler!!!

    Whisker Team

    Hey Patricia! We sincerely appreciate your 5-star review of the LitterHopper! Making life with your pets endlessly easier is our goal.
    Was this review helpful? 0 0
  9. Customer Avatar

    Number of Cats 4

    Number of Litter-Robots 0

    Type of Home House

    LitterHopper® - White

    Product Rating

    Very helpful

    The litter hopper works great. Keeps Robot 4 litter filled. The app warns when litter in hopper is low. Well worth installing.

    Whisker Team

    Hi T! Thank you so much for your review! We're thrilled to hear the LitterHopper has made life with your Litter-Robot even easier! Thanks for being part of the Whisker family!
    Was this review helpful? 1 0
  10. Customer Avatar

    Number of Cats 1

    Number of Litter-Robots 1

    Type of Home House

    LitterHopper® - White

    Product Rating

    Love It!

    This new fun sand magic box is wonderful. My bone-head human is always forgetting to add a little extra fun sand to the pooper and so it gets thin and weird in there. But this thing… man, oh man! It’s great. It just adds a little when needed. I don’t ... Show More

    Whisker Team

    Wow, Xara, what an amazing review! We love that YOU love your new fun sand magic box. We imagine you love watching it circle around as it makes your "kitty treats" disappear! We love the magic that the LitterHopper® provides - especially when you have a bone-head human! Boy, we know how rough that can be. We hope he remembers to give you head scratches and treato-s! Thank goodness you've got an awesome spaceship potty and a magic sand dispenser! Can you tell all the other kitties how great this is, too? (=^ ◡ ^=)
    Was this review helpful? 1 0
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