Perko - IPS Intake Strainer - 1/2" - Bronze - Made in the USA - 0493004PLB. PERKO Intake Strainer 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 316 stainless steel strainer basket to minimize electrolysis. Screen hole diameter.077 inches, 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.. Please note: Spare parts for this item are NOT interchangeable with the Perko 0593 Flushing Strainer.. Technical Information:. Cast bronze. Pipe Size - 1/2". Height Overall - 5-3/4". Width Overall - 4-1/2". Model Number - 0493004PLB. Dimensions Cylinder - 3-1/2" x 4". Dimensions Basket - 1-13/16 x 4-3/8. Open Area to Pipe Size Ratio - 30.1. Ship Weight - 4.9. Spare Gasket Kit - 0493DP599M (or) 99R. Made in the USA