The Best Cat Litter Disposal Systems in 2022 | Cuteness The Best Choose-Your-Own-Bag Cat Litter Disposal System PetFusion PF-LC1A Portable Cat Litter Disposal $49.95 at Amazon While many cat litter disposal systems are designed to hold bags made specifically for that device, this one works with any bag of your choosing, allowing you to use what you want and spend within your means.