The BVA Hydraulics PW-AS3 is an external pressure adjustment device specifically designed for PU20 E-Pump models. This component allows for precise control of pressure settings, enhancing the performance and efficiency of your hydraulic system. Constructed with high-quality materials, the PW-AS3 ensures durability and reliability under various operating conditions. Its easy installation process makes it a practical choice for users looking to optimize their PU pumps. Achieve better control and performance with this essential adjustment tool.