Jabsco Water Pressure Regulator - Flush Mount - White [44412-1045]Water Pressure Regulator Flush Mount White Easy to install, easy clean in line filter, permanently installed flush mount model and in line model with brass garden hose fittings that connect dockside water entry and garden hose water hook up. Reduce high water pressures (up to 100 psi down to 35 psi). Features: Built in back flow preventer Easy to install Easy clean in line filter