Usage Tips:Premium Construction: Crafted from high-quality material, this pitcher pump check valve offers superior resistance and wear protection. The high-quality pitcher pump PU leathers long-lasting performance, even under heavy use, effectively extending the life of your hand pump for well water and ensuring dependable operation, year after year.Complete Pitcher Pump Well Kit: Specifically designed for 1160 and PM500 pumps, hand water pump seals kit includes 3 1/2 inch lower valve PU leathers, PU leather cups, cast iron check valve, and all necessary screw accessories for installing your pitcher pump for well system.Comprehensive hand well pump rebuild kit: This pitcher pump PU leather repair kit includes all the essential replacement parts: lower valve seals, piston cup seals, and a weighted check valve.Optimized Hydraulic Performance: The pitcher pump PU leathers design minimizes pressure loss, preventing reverse water flow, and maintaining steady water column integrity.Easy Installation & Universal Compatibility: Designed for tool-free installation, this hand pump well parts kit makes it easy to replace components without the need for tools.Color: As ShownMaterial: PU+MetalPackage Contents:1 * Pitcher Pump Repair KitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.