Tubing, 1/4" ID x 1/16" W (3 ft), Clear Vinyl, Gil Back Catalog number: 200484 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request 811-9984-50 Sorbent Tube, Porapak-R 6X70, 70/35, 50/BX Price on request