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 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request 800073 Tube Holder Dual Variable Flow, only Price on request