DescriptionDo you need practical and durable water pump seal cup? If so, take a quick look at this item. Made of high-grade materials, durable and long-lasting. Simple look design and fine craftsmanship ensure its durability and practicality. Can be used for pitcher pump, hand pump, hand water pump.Features-Color: Black -Material: Rubber -Size: 8.40X8.40X0.90cm/3.30X3.30X0.35inch -Made by premium material, safe and durable, which could be used for very long time. -Before use, please cut the inside of the piston according to the marked groove. -The edges are smooth and round, without burrs, and will not damage the skin. -Although its design is simple, it is so practical and gives you a great experience when you use it. -The pitcher pump cup is simple and delicate, excellent and reliable, carefully crafted, not easy to deform.