Whisker Litter-Robot 3 Carbon Filters, 6-Pack - Litter Box Filter, Absorbs Odors & Controls Moisture

Works as it should keeps smell down

If the price has you thinking about the off-brand filters, let me save you money now. These are worth it. I tried saving a penny myself and wound up with the cat box stinking up our home. Not what I bought a Litter Robot for! Finally bought these from Whiskers which, unlike the others - are thick and fit the slot perfectly. No more odor — they work perfectly and are worth the cost!

I just keep thinking "for the cost, do I really want to keep wondering if these make a difference?" I'm still using them for the time being but I'd be happy to find something that I can definitely tell works. Don't get me wrong. The room doesn't STINK. But you know there's a litter box in it. Maybe technology isn't that far enough along yet.

I was needing to replace original litter robot 3 filters. These worked perfectly. They fit snug and keeps the odor down between box cleaning. Would recommend.

Awesome