Use Rebuilding Kit #037580 (Or) #279992 Kit W/Oem Packing Elegant design and finish The product is manufactured in United States ECAST[REG] construction with equal to or less than 0. 25% lead content by weighted average Pressure compensating softly aerator Fits 1 1/16 inch-18 UNEF male body outlet 9. 5 inch L type spout ECAST[REG] construction with equal to or less than 0.25% lead content by weighted average Pressure compensating softly aerator Fits 1 1/16 inch-18 UNEF male body outlet 9.5 inch L type spout