Pool Hose Adapter Kit: Set of 4 pool adapters, enough to use or replace in your daily life. 4 hose clamps and 4 gel pads, 1 small screwdriver for a tighter connection. Pool Hose Adapter: The pool adapter is made of corrosion-resistant plastic, strong and durable. The rubber ring fits the 1.25" hose perfectly and creates a sealed space to prevent water leaks, perfect for pool connection kits. Pool hose adapter Easy to install: The swimming pool adapter is used to connect a 1.25" hose to a piston valve or filter pump. The small end is connected to a 1.25" hose. The threaded end is connected to a 1.5" piston valve or filter pump. Adapter Size sink: sink adapter for all 4000, 2500, 2000 and 1500 gallon per hour filtration pumps with threaded hose connections. (Note: Please check the picture carefully for the specific size!). Wide application possibilities for swimming pool adapters: pump hose adapters are suitable for hoses of filtration systems, submersible pumps, swimming pool pumps, filter pumps, sand filter systems or shut-off valves. We recommend that you avoid using hose clamps in the area where the water line meets the water outlet.