Tube Holder Triple Variable Flow, only Back Catalog number: 800074 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request