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 GFPC447 Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request KB-100 Kynar Bag 100L Price on request 800685 Air Boss Kit, LFS-113 (required for bag sampling) Price on request