Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200104-10 Tube Holder Housing, 5 x 150mm, 1/2", S255 (pkg of 10) Price on request 800074 Tube Holder Triple Variable Flow, only Price on request 200157 U-Tube replacement for P/N 800143 Price on request