High quality materials: The pool hose adapters are made of high-quality, sturdy, and corrosion-resistant plastic. The rubber ring fits snugly over the hose, creating a sealed connection that prevents leaks and helps maintain optimal pump performance. Easy to install: The pool hose adapter allows connection of 1.25" hose to a piston valve or filter pump. The smaller end connects to the 1.25" hose, while the threaded end connects to a 1.5" piston valve or filter pump and simply screws on. Compatible: The pool hose adapter fits all Intex 4000, 2500, 2000, and 1500-gallon filter pumps with threaded hoses and is suitable for Intex chlorine generators and saltwater systems with threaded hose connections. Versatile: The pool hose adapter works with hoses from filter systems, submersible pumps, swimming pool pumps, filter pumps, sand filter systems, or shut-off valves. Ideal for swimming pool connection kits to ensure safe and efficient operation. Note: Measurements are manually taken; please allow 1–3 cm variation. Due to lighting and display differences, slight color variations may occur. Actual product may vary slightly from the image.