Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Back Catalog number: 811-9970-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tubing Price on request 200505 Tubing, 1/8" ID x 1/16" W, Clear PVC, (3 ft) Price on request 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open End (Packg of 10) Price on request