【Improve Water Quality】You will receive 2 pool adapters with 2 pool hose clamps and 2 rubber hose washers, which are enough for daily needs or replacement. Hose adapters can ensure that the hose connection is tighter, effectively improve the filtration effect, improve water quality, make the water clearer, and provide a healthy swimming environment for swimmers. 【High-quality Materials】The pool adapter is made of high-quality ABS material, which is durable, waterproof, easy to carry, has good corrosion resistance, is not easy to break and deform, and extends its service life and reduces the frequency of replacement. 【Wide Compatibility】The pool adapters are suitable for threaded pumps and have excellent compatibility. It is compatible with all filter pumps connected with threaded hoses, covering a variety of models of 4000, 2500, 2000 and 1500 gallons per hour. 【Easy to Install】Pool pump adapter is specially designed to connect 1.25 inch hose to piston valve or filter pump. The smaller end connects to 1.25 inch hose, while the threaded end connects to 1.5 inch piston valve or filter pump for easy installation, just tighten. 【Widely Used】Pump hose adapter is suitable for hoses of filter systems, pool pumps, filter pumps, sand filter systems, submersible pumps or closed valves. It can also be used for garden irrigation and connecting cleaning equipment. We recommend using a hose clamp where the water line meets the water outlet.