Pool Hose Adapter Kit: 4 pieces A and B pool adapters, enough quantity for daily use or replacement. 2 pieces hose clamps and 1 piece waterproof tape and 2 pieces gel pads and 1 piece small screwdriver for a tighter connection. Premium Pool Hose Adapter: The pool adapter A made of corrosion-resistant plastic, it is sturdy and durable. The rubber ring is tight with the 3.5cm hose to form a sealed space to prevent water leakage, perfect for pool connection kit. Pool Hose Adapter - Easy Installation: The pool adapters A are designed to connect 1.25" hoses with piston valves or filter pumps. The small end is attached to the 1.25" hose. The threaded end is attached to 1.5" piston valves or a filter pump. Just screw it on. You don't need to buy other hoses and avoid additional costs. Pool Adapter Size: The pool adapters are suitable for all 4000, 2500, 2000, and 1500 gallon/hour filter pumps with threaded hose connections. Pool Adapter Wide Range of Applications The pump hose adapters are suitable for hoses of filter systems, submersible pumps, pool pumps, filter pumps, sand filter systems, or shut-off valves. We recommend using hose clamps in the area where the water line meets the socket.