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 811-0916-01-R Inlet Filter Replacement Kit for GilAir Plus with Price on request 401205-R Adapter for 1-4” to 1-8” ID tubing Price on request KB-3 Kynar Bag 3.0L Price on request