Cyclone, 37mm Filter Screen Back Catalog number: 811-9927-08 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0207-02 GilAir-3 Program [ATEX], Starter Kit, 230V, Euro P Price on request 801453 O-Ring/Gasket Kit, GilAir-5 Price on request GH37-2 Housing, 37mm 2pc Opaque, 50/Box Price on request