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 GPG37100 Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Price on request GCU37080MW-2 Cassette, 37mm 2pc 0.8µm, MCE Matched (50µg), 50/B Price on request 811-9932-01 Belt Harness Assembly for FSP-10, FSP2, and GSP-3. Price on request