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 811-0912-EU-R Three Station Dock w/Comms 100-240Vac, 50-60 Hz, E Price on request GF47500PVC Filter, PVC, 5.0µm 47mm, 100/Pack Price on request 811-9927-08 Cyclone, 37mm Filter Screen Price on request