The refill is made of 7 layers of film and it's Compatible with your Litter Refill Cartridge. Compatible your Standard Pail & Plus Pail & XL Pail models
One refill cartridge lasts up to 8 week with one cat!
The refill bags are easy to assemble, please follow the instructions for use on the description.
Easy to assemble, simply pull out a bit of film, push it through the center of the cartridge and tie a knot at the bottom. Then, open the lid and funnel of the pail, place the cartridge on top, and push the refill all the way. Simple installation can save you a lot of time.
【!!! The item doesn't include the refill cartridge. Save and reuse your empty refill cartridges!!!】