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 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x Price on request 811-9969-20 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 20/BX Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request