b'CartridgesStandard Filter supplies aftermarket replacement cartridges for numerous OEM collectors. Here are just a few:American Air Filter (AAF)DustexDynamic AirFarrFisher-KlostermanFlex-KleenMax EquipmentMikropulPneumaFilTorit/DonaldsonUnited Air Specialist (UAS)WAMWheelabrator-Frye16 www.standardfilter.com1.800.634.58371.760.929.8559'