Assembly Kit - Includes 1 plunger valves, 1 hose o-rings, and 1 step washers. Working Compatible - Compatible with Intex 1500, 2500 and 4000 gallon per hour filtration pumps. Compatible with Intex saltwater chlorinator and Intex 2000 gallon per hour chlorinator pump combo. Suitable for most above ground pools and equipment on the market. Efficiently Using - The plunger valves are easy to turn on/off. It can efficiently and conveniently stop the flow of your pool. Replace your old plunger valves or upgrade to the Plunger Valve system, makes changing hoses and pumps a breeze. Multifunctional Plunger Valve - One-step solution to on-the-stop, instant filter pump or filter cartridge changes. compatible with Intex and Coleman etc above ground pools with the same size of outlet/inlet connection. Safe & Professional - The swimming pool parts are made of high-quality plastic materials, which is sturdy and durable. SHAPON pool parts are designed for above ground swimming pools and equipment providing versatile use. Spending more time swimming and less time maintaining. Replace your old plunger valves or upgrade to the Plunger Valve system, makes changing hoses and pumps a breeze.