DIG D54 3/4" Filter 25psi Pressure Regulator Combination of two units in one helps make installation easier and faster All-purpose screen filter with built in 25 psi pressure regulator for use in drip irrigation or micro sprinkler systems Reduces incoming water pressure to the ideal working pressure for a drip system 155 mesh stainless screen has excellent resistance to most common chemicals Easy maintenance - the screen can be removed from the filter for easy cleaning