Single Variable Flow Kit, 7-10 x 150mm Back Catalog number: 800256 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request 800519 Multi-Flow Module, Blue, GilAir-3/GilAir-5 (1 to 7 Price on request SC-2 Tedlar Bag (1.5L) Price on request