Single Variable Flow Kit, 6 x 70mm (Standard Charc Back Catalog number: 800253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 244U Sulphuric Acid 0.5-5.0mg/m3Gas DetectorTube,pk/10 Price on request 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request