Cyclone, 37mm Filter Screen Back Catalog number: 811-9927-08 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1301-NO Gilian 800i,Starter Kit, No Cord Price on request 811-0913-01-R Outlet Fitting, Bag Fill Adapter Price on request 910-0102-02 GilAir-5 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request