Abstract: An apparatus for dismembering used cartridge filters, the cartridge filters having a top and bottom, the top including a baseplate having an outlet and at least one inlet, the baseplate being adapted to mount with a machine, the filter including a casing extending from proximate the top to the bottom of the cartridge filter and affixed to the baseplate proximate the top of the cartridge filter, the cartridge filter including a disposable filter media included inside the casing;the apparatus comprising means for receiving waste cartridge filters, means for delivering the filters to a predetermined position, means for holding the filter at the predetermined position, means for separating the baseplate and the canister, means for removing the canister from the remnant of the filter and segregating said canister, means for separating said baseplate from the remnant of said filter and segregating said baseplate, said remnant including said disposable filter media, means for handling said remnant and segregating sa