Other Information | Designed as a cyclone separator Second stage filtration is by passing gases thruogh oil-wetted pall-rings in an inner basket trapping particles larger than 2 microns. Molecular filter element is interchangeable with the pall-ring basket(not included) This filter used with the following Leybold pumps: E150, E25, DK100, and DK200(ASA) Leybold P/N 17802-M |