246428 246-428 airless spray pump, applicable to the Aftermarket of airless spray pump of for Graco Nova / Ultra / Max II 390 395 490 495 595 LineLazer 3400 sprayers. Ready to build pressure after the pump is connected on sprayers, ensuring that the sprayer can spray large flow and stable paint. The plunger rod is made of high-quality Metal for durability; has a sturdy structure, impact resistant, not easily deformed, has corrosion resistance, and is not easy to rust. Please shake the pump several times before installing the pump to prevent the internal steel ball from sticking with the alloy plate, which may cause the product to fail to work normally. Do Not Fit For ST Max 390/395/490/495/595;Do Not Fit For PC Por 390/395/490/495/595;Do Not Fit For Graco Nano (Updated Version). This product is a standard screw pump,not a snap pump,not a PC pump. Colour:As Shown Material:Metal Package Contents: 1pcs x paint sprayer airless pumps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.