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 811-9979-50 Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request