Tube Holder Adapter, 3/16" to 1/4" Ends Back Catalog number: 200187 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 800074 Tube Holder Triple Variable Flow, only Price on request 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request