Sorbent Tube, Porapak-Q 6X110, 150/75, 50/BX Back Catalog number: 811-9983-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800229 Tube holder plug for manifold Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request