Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800074 Tube Holder Triple Variable Flow, only Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request