Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Back Catalog number: 811-9974-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9964-50 Sorbent Tube, Microlite, 8X110, 500mg, 50/BX Price on request 800134-10 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request