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Yamina Anna Jordan
2025-09-04 18:07:16
These charcoal filters are stronger and thicker than the Whisker brand filters. I put the first one into my litter robot 4 and the odor is 50% less than the brand names.Even better, a pack is less than half the cost!
NE Ohioan
2025-08-17 19:30:46
These generic versions of the filter for Litter Robot 4 are working great. They are actually thicker than the Litter Robot versions, and less expensive. I have 2 of the Robots and do a deep cleaning every month. This pack os 12 will last 6 months. Cost was about $15 for the 12 pack, and I will be ordereing again.
Teri
2025-07-29 14:26:32
this had virtually eliminated all odor from our LR4
Kariann Owens
2025-07-19 14:12:52
Same size as the ones that whisker sells, but for a fraction of the price.
Morgan Greenan
2025-07-16 12:21:49
Works as well as the LR ones but much cheaper!
E. Monroe
2025-07-15 20:35:33
I could tell that the door that holds the charcoal filter in place was kind of bowing outward after installing this filter. But I didn’t make much of it and went to sleep. We woke up to all these error messages from the app, and the LR4 had dumped all the clean litter into the waste bin. I didn’t connect this to the new filter right away (that’s on me) and went down a rabbit hole of troubleshooting. After removing the filter, the LR went back to operating perfectly. I will be returning these
Cynthia Hansen
2025-07-06 13:55:53
Love them. Well made. Fit perfect in the robot 4 box.
ray armstrong
2025-05-19 16:22:09
Good
Karine Simard
2025-03-25 13:33:41
Bon produit de remplacement pour la litter Robot 4 de Whiskers à un meilleur. Peut-être un peu moins efficace en durée, mais on le change plus souvent et cela revient bcp moins dispendieux.
Cheryl Z
2025-02-04 12:09:16
Fits great, works well to control odor
Good and fit!
2025-02-01 18:31:59
Will purchase again.
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