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 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Price on request