Tube Holder Housing End, 5/8", for 1/4" OD, Open E Back Catalog number: 800071 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200504 Tubing, 1/8" ID x 1/16" W, Clear PVC, (10 ft) Price on request 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request