The universal design of these brass fittings makes them compatible with most toilet tanks, ensuring easy installation and replacement. The efficient check valve mechanism prevents backflow, maintaining the proper function of your toilet tank. This feature is crucial for preventing water wastage and ensuring a consistent water supply. Features -Color:Golden -Material:Brass -Size:2.90X2.50X2.50cm/1.14X0.98X0.98in -Sturdy construction: made from brass, offering exceptional strength and longevity -Easy installation: universally designed to fit a wide range of toilet tanks, simplifying the installation and replacement process -Reliable antibackflow: ensures water flows in the correct direction, preventing backflow and maintaining optimal tank performance -Elegant gold appearance: the gold finish adds a touch of elegance to your bathroom, enhancing the visual appeal of your toilet tank -Multipurpose use: ideal for various applications including water towers, hot water systems, toilets, and garden irrigation, ensuring correct liquid flow Package list: 2 x toilet tank check valve