Tube Holder O-Ring Kit Back Catalog number: 800238 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request