Cats Rule Freshen Up Filter Disc Pure Clean, 3 Pack

Freshen Up Filter Discs slip easily into the vented 'door' of either Max's Box or Charlie's Box.
You can even put an extra disc around the box if you prefer.
Each package contains three (3) discs.
Cats Rule brings beauty and fashion to cat products - aiming for the highest standards of product quality and performance. Introducing the first active filter system that keeps the litter box clean-smelling, cat friendly and cat approved! More »