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 GCU37500PVCMW Cassette, 37mm 3pc 5.0µm, PVC Matched, (50µg), 50/ Price on request SC-7 Tedlar Bag (12.0L) Price on request GCU37080GS Cassette, 37mm 3pc 0.8µm MCE, Gridded, Sterile, 50 Price on request