Tube Holder Housing End, 5/8", for 1/4" OD, Open End Back Catalog number: 800071 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800063-10 Tube Holder Housing End, 1/2" for 5mm OD (Packg of 10) Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 Price on request 106SC Carbon Monoxide 1-50 ppm Gas Detector Tube, pk/10 Price on request