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 GF25TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request 800148 Manifold Kit, Dual, 6 x 70mm (Standard Charcoal Tu Price on request 811-9927-09 Cyclone, Luer Adapter Replacement Kit Price on request