A disposable canister, lid, mesh filter, and gasket designed to replace the present canister and filter in your central vacuum pump. Each kit is complete with waste canister and lid, filter bowl, filter screen, replacement rubber gasket and hazardous warning sticker. 8 x Disposable canister, lid, mesh filter, and gasket, #2300, 3 1/2"X4 3/8", Fits DentalEZ dual models made after 1978 & Dentsply made after 1991