Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Back Catalog number: 811-9979-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request 811-9984-50 Sorbent Tube, Porapak-R 6X70, 70/35, 50/BX Price on request