Product Description Anti-Scale Patent EA85: designed to prevent blockages caused by hard water. Easy to use: pump, test, and vent with a single switch. Compact: extremely space-saving. Three pump models to conduct your leak testing (for testing the tightness of water installations: sanitary facilities, floor heating, etc.). Patented Anti-Scale System Virax EA85: prevents blockages of the ball in the piston due to hard water or other deposits (only models with 50 bar). Container made of shock-resistant, lightweight plastic (4.3 kg). Precise results with a pressure gauge of class 1.6. Easy reading due to scale division in bar. High-pressure hydraulic hose (1.5 m): particularly convenient. Suction filter made of nylon that retains particles larger than 0.1 mm: protects the pump mechanism and the customer's installation from the intrusion of foreign bodies. Ergonomic Soft Touch® lever for comfortable operation. Easy to transport, thanks to the lever's locking mechanism. Permissible liquids: water, glycol (must be rinsed after use), oil (must be rinsed after use). Features pressure bar: 50 pipe connection with external thread: 1/2 - 3/8" capacity L: 5.