PA RL30 Pressure Washer Spray Guns 310 Bar 30 Lpm. Guns suitable for use up to 310 bar – 31 MPa rated pressure pump. No fluid passage upon trigger release. Front hose fitting. Covered by shockproof plastic semi-housings. Stainless steel seat and ball. Internal structure in brass and Stainless Steel. Ergonomic construction. Minimum fatigue for trigger opening.