Tube Holder Housing, 7 x 130mm, 5/8", L247 Back Catalog number: 200115 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200114-10 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 (pkg of 10) Price on request 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Quad, all sizes) Price on request 158S Sensidyne Gas Detector Tubes, Styrene (2.5-300 ppm), pk/10 Price on request