BAG-it & PERMA-lid Combo for LitterMaid Receptacles INCLUDING a clean Receptacle Will NOT fit the newest 3rd Edition models No more spending money on receptacles - just use BAG-it and any plastic bag, like grocery bags BAG-it is a CLEAR retaining ring that fits inside a standard receptacle (clean receptacle included) to hold open any plastic bag to catch waste. PERMA-lid is a heavy duty permanent lid that never needs replacing and is easy to clean. Installs in minutes without tools and fits MOST models of LitterMaid litter boxes (not the newest 3rd Edition). Search YouTube for "BAG-it for LitterMaid" to see it in action. No special bags or liners required. You supply the litter box and then just recycle your empty grocery bags