Charcoal Tube, Coconut Shell, Standard, 50/100mg, Back Catalog number: 801935 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-9969-20 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 20/BX Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request