Sorbent Tube, Porapak-R 6X70, 70/35, 50/BX Back Catalog number: 811-9984-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request