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 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubing (Packg of 10) Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request 143SA Xylene (5-1000 ppm) Gas detector tubes, pk/10 Price on request