Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Back Catalog number: 811-9976-20 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request