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PVC Pressure Double Union Ball Valve (Economy) for controlling air or water on koi pond filter plumbing. The Effast Ball Valves are compatible with our PVC Pressure Pipe.
These valves can be easily stripped to apart to clean out debris from the ball and seals should they stop sealing. The handle also serves as a spanner to control the tension on the seals, making is possible to control the stiffness of the valve.
