Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Back Catalog number: 800134 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request