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 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 811-9965-50 Sorbent Tube, Silica Gel, 6X70, 150/75, 50/BX Price on request