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The General Pump PULSAR4LP Unloader is a pressure release valve that maintains consistent pressure levels, protects pumps, and allows for easier spray gun operation. This quality unloader is made with brass and has a white spring. Extremely reliable with easy maintenance. General Pump recommends using a safety relief valve device in conjunction with this unloader when installed on a positive displacement pump.
Dimensions: 3.31" width x 2.2" height x 7.25" depth
Specifications: