Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800073 Tube Holder Dual Variable Flow, only Price on request 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg o Price on request 800258 Single Variable Flow Kit, 7 x 130mm [Dräger Long Price on request