Tube Holder O-Ring Kit Back Catalog number: 800238 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200505 Tubing, 1/8" ID x 1/16" W, Clear PVC, (3 ft) Price on request 800136 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Price on request 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request