Pneumax - 858/4.52.3.6.M2 referenced directional valve product produced by high technology. 858/4.52.3.6.M2 is the result of a far more developed technology compared to similar regular products. All of the listed products are with guaranteed origin and high quality. It produced result of tests of laborotory for years. Make an offer to us for 858/4.52.3.6.M2 please contact us.