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 783-0009-02-R Battery Pack, GilAir-5. UL, ATEX, NiMH Price on request 801863M Manual, BDX II Price on request 811-0919-01-R Dual Manifold High Flow Splitter with Tubing, Top Access Price on request