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The General Pump YU21405 pressure unloading device is made with highly durable brass and stainless steel. This unloader has 1/2" inlets, 1/2" bypass ports, and a 1/2" outlet. It is rated for a maximum flow rate of 21 GPM and a maximum pressure rating of 4500 PSI. Maintain consistent pressure and protect yourself from dangerous spiking.
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