Compression Check Valve

Compression check valve for UPP and BlueForce Series ozone generators for swimming pools. There are four options available, as follows:
 
0.5lb (1008012) - Above Ground Pool with equipment set up to 4 feet BELOW the waterline of the pool
1.5lb (1008011) - STANDARD for Inground pools with equipment level to 3 feet ABOVE the waterline of the pool
3lb (1008013) - For pools with ELEVATED equipment from 3 to 5 feet ABOVE the waterline of the pool
6lb (1008014) - For pool with ELEVATED equipment 5 feet or more ABOVE the waterline of the pool