Model AP-20S Gas Detection Pump Kit Back Catalog number: 830-0001-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37C1000 Band, 37mm Shrink, Clear 1000/Pack Price on request 200222 Impinger Holder, Single, Aluminum, GilAir/HFS Price on request 800510-171 GilAir-3 RP Pump, No Charger Price on request