Internal material upgrade of pump.It is made of high-quality alloy material wear-resistant long-lasting to use. Ready to build pressure after the pump is connected on sprayers
Compatible with Graco Sprayer Paint Pump 390 395 490 495 595 (not fit ST Max 395/495/595)
PLEASE NOTE: Please read the instructions carefully to ensure that you are purchasing the exact product.
Please shake the pump several times before installing it to prevent the internal steel balls from sticking to the alloy plate, which will prevent the product from working properly.
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