Band, 37mm Shrink, Clear 100/Pack Back Catalog number: GB37C Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9984-50 Sorbent Tube, Porapak-R 6X70, 70/35, 50/BX Price on request TE-22 Teflon Bag, On-Off Valve (0.5L) Price on request 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request