Cyclone, 37mm Filter Screen Back Catalog number: 811-9927-08 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0202-02 GilAir-3 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request 910-1305-EU Gilian 800i,5-Pack Kit, EU Cord Price on request 298-0013-01 Gilian 800i/5000/10i/12 Single Charger, 120V/240V, Price on request