PERKO Water Strainers are designed for easy installation and cleaning. Features include mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 304 stainless steel strainer basket to minimize electrolysis. Screen hole size diameter .077, 46 open area. Hinged lugs for the cast bronze cover permit easy removal and cleaning of the strainer basket. A drain plug in the bottom casting is provided for easily removing sediment and draining for winterizing. For applications requiring higher capacity flows, use the 500 Series.