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 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request 179S Sensidyne Gas Detector Tubes, Ethyl Benzene (10-500 ppm), pk/10 Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Flow Splitter Price on request