Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Back Catalog number: 811-9967-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800136 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request 200112-10 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 (pkg of 10) Price on request