Cyclone, 37mm Filter Screen Back Catalog number: 811-9927-08 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37C Band, 37mm Shrink, Clear 100/Pack Price on request 811-0801-02 Gilian 800i/5000/10i/12 Five-Unit Power Station, 1 Price on request 910-0801-02 Gilian 5000 5-Pack, UL ATEX 120V/240V , Euro Cord Price on request