Description: 100% Brand new and high quality Non return clear chamber check valve for swimming pools With durable sealed flapper and stainless steel springs Clear chamber to easily see if there is any debris caught inside High temperature resistant, corrosion resistant, can use for acidic and alkaline liquid appropriately Specification: Material: ABS Color: White Connector Diameter: 63mm/ 2.48 inch Flapper Diameter: Approx. 134mm/ 5.28 inch Overall Length: Approx. 215mm/ 8.46 inch Overall Width: Approx. 139mm/ 5.47 inch Package Includes: 1 Piece of Check Valve Kit