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 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request 800134-10 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 811-9969-20 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 20/BX Price on request