Single Tube Holder Kit, 7-10 x 175mm Back Catalog number: 800261 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800134-10 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request 800074 Tube Holder Triple Variable Flow, only Price on request