Hafner - MH 520 501 G O.S. referenced solenoid valve without coil product produced by high technology. If you need other products from Hafner, please send us an inquiry by e-mail. We are one of the few companies which can present an offer for this product. It produced result of tests of laborotory for years. We present you the most competative price and delivery time on MH 520 501 G O.S. referenced product.