Tube Holder, Clear Storage Box Back Catalog number: 400253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 Price on request 200114 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 Price on request 118SC Sensidyne Gas Detector Tubes, Benzene (1-100 ppm), pk/10 Price on request