The Ezi-LockOdour Cat Litter System Natural Mineral Zeolite Pellets are designed to be used in conjunction with the Ezi-LockOdour Dual Layer Cat Litter System. This litter system uses these natural mineral zeolite pellets which have micro pores to help dehydrate moisture while allowing liquid to pass through to the absorbent pad below. The Ezi-LockOdour Cat Litter System Natural Mineral Zeolite Pellets have been shown to leave an 11 times smaller waste footprint than paper pellets. This 4L pellets value pack is a two month supply for the Starter/Hooded Kits and one month for the Extra Wide Kit (For one cat 8kg or under). The Ezi-LockOdour Cat Litter System Absorbent Cat Pads is a pack of pads that is designed to be used in conjunction with the Ezi-LockOdour Dual Layer Cat Litter System. The pad is placed in the slide-out tray at the bottom of the litter system and it works to immediately absorb and lock away both liquid and odour. The pad is quick and easy to change and because you simply dispose of the liquid filled pad, you won't have to scrub litter clumps off the tray. The Ezi-LockOdour Cat Litter System Absorbent Cat Pads come in a pack of 4 or 10 and each pad can last up to a week. | 4L Ezi-Lockodour Cat Litter Pellets & Absorbent Cat Litter Pads 10 Pack