12 Pack 0.5" Thickened Activated Carbon Filters Compatible with LR 4

I purchased these carbon filters for my automatic cat litter box, and they've worked very well. The filters fit properly and were easy to install without any modifications. works for litter robot for perfectly One of the biggest improvements I noticed was the reduction in litter box odors. The activated carbon seems effective at absorbing smells, helping keep the surrounding area fresher between cleanings. With multiple cats in the house, that's a huge benefit. The filters appear to be well-made and thick enough to last as expected. Having an 8-pack provides excellent value and means I won't need to reorder for quite a while. Overall, these filters perform their job effectively, fit correctly, and offer a cost-effective alternative to more expensive replacement filters. I would definitely purchase them again.

Direct replacement for the carbon filter on my litter robot. I dont honestly notice a difference between these and the ones that come straight from litter robot, minus these being much cheaper and thats why ill keep buying them! theyre thick and appear to trap the odors as good as the ones that come from LR site so i am happy with them!

So, my beautiful tuxedo cat, Lucy, now has a a new Litter Robot, her second - living her best life, clearly. Bought these carbon filters that fit perfectly and were a steal compared to the official ones. Sorry, Litter Robot folks, you guys are great, but I'm not breaking the bank for essentially the same filters for far costlier. Lucy doesn't care as long as her bathroom is fresh, and these filters do the trick. These filters got your back (or, uh, your cat's backside). Trust me, they're the carbon heroes you and your feline friend deserves.

Perfect fit for the Litter Robot 4!

These fit my LR4 perfectly, however I don’t feel like they last as long as the OEM version so you have to replace them more frequently.

Great quality and works as good as brand! Perfect size and thickness and easy to install or change! Great value!

I grit this to go with my whisker robot litter 4. Fits perfectly. Keeps smell down. Reminds me to do a good box cleaning. Best litterbox I have ever purchased and these are great to help it run smoothly

I was skeptical in buying these because of the mixed reviews but so far I have not had any issues. At first, I thought it was not helping with the smell but after a day, I noticed that the smell was gone and that it actually was working. The filters are not thick but they do the job, which is why I must say they will need to be replaced more often than the originals. They were easy to install and the size was perfect for our litter robot 4. I would say the quality is obviously not like the original brands but you’re getting a pack of 8, so I’d say it’s worth it.

Fits the litter robot perfectly, and much cheaper than the official product. I think it definitely reduces odors.

Do not buy this! They advertise the thinkness and will sell you exactly what you don't want: 0,5cm (0,2") instead of 1,27cm (0,5"). Would not recommend. The filter effect is horrible.

The QUEARN 8 Pack Carbon Filters are a great, budget-friendly alternative to the more expensive litter robot filters. They fit well and do an excellent job absorbing odors from the cat litter box. If you want quality odor control without breaking the bank, these are a solid choice!

Significantly thinner than the brand version, so not a direct replacement. I used two at once, which works well, and probably still cheaper overall.

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