Charcoal Tube, Coconut Shell, Standard, 50/100mg, 6 x 70mm (Packg of 50) Back Catalog number: 801935 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-9974-50 Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Price on request 200484 Tubing, 1/4" ID x 1/16" W (3 ft), Clear Vinyl, GilAir-3/GilAir-5/HFS Price on request 800238 Tube Holder O-Ring Kit Price on request