Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubing Back Catalog number: 800135 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Flow Splitter Price on request 811-9902-20 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x110mm, with end caps, 20Pack Price on request