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 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request 800497-1 Tube Breaker Kit, Blue, LFS-113 Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request