Package Includes: you receive 2 pcs pool plunger valve and 2 pcs 1.25 inch to 1.5 inch type B hose adapter replacement, our pool plunger valve and hose adapter is suitable for most above ground swimming pools on the market, our product expands compatibility; As a combination connector for above ground swimming pools and pool filtration pumps, it is versatile and reliable Easy to install: the hose B adapter and pool plunger valve can be installed on the pool wall of the pool, the attached shut off valve can be applied directly to control water flow (When installing the above two accessories, that the above ground pool water pipe is 1.25 inch; If the water pipe is 1.5 inch, only the pool plunger valve needs to be installed), which bring a good swimming experience Material: the pool plunger valve and hose adapter are made of plastic material and are ; Equipped with elastic rubber ring to prevent leakage; This is a good way to conserve water flow, safe and efficient operation of the pool,