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 Tu Price on request 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request