Rothenberger Dry Pressure Test Kit 0-4 Bar is ideal for when pressure testing pipe systems and vessels with water is not possible or desirable. This kit gives a quick and accurate reading of pressure and can be used with an electric pump as well as a car or bicycle pump via the Schrader valve. Complete with 15mm male stem on the pressure gauge, WRAS Approved flexible hose and a Speedfit straight 15mm connector.