Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800258 Single Variable Flow Kit, 7 x 130mm [Dräger Long Price on request 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request 200114 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 Price on request