BTS 300 Bar Decanting Hose with DIN Fittings & Pressure Gauge S16910605 For decanting Air between Cylinders, pressure will be equalised between the two Cylinders. Fitted with 2 EN-144-1 type 300 Bar DIN fittings & 68 cm long Hose. May be used with DIN to A-Clamp adapter to fit 232 Bar INT -A-Clamp fitting valves if required.  Also available with In Line Pressure Gauge. Optional Pressure Gauge with male and female 7/16" UNF threads, increases versatility of Beaver Sports Decanting Hoses by providing the means to mix Breathing Air and Nitrox by suitably trained technicians and technical divers in addition to the simpler task of decanting and equalising pressure between two Cylinders. With high quality Pressure Gauge with clear and easy to read Display. Ensuring presuure in each Cylinder can easily be measured independently.