Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Back Catalog number: 800066 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 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request 800238 Tube Holder O-Ring Kit Price on request