The 235014 Prime Spray Valve and Drain Valve are designed to fit Graco Airless Paint Sprayers models 390, 395, 490, 495, and 595. This high-quality valve system is made from gold-plated material for durability and corrosion resistance, offering smooth, reliable operation during priming and draining tasks. Ideal for both professional painters and DIY enthusiasts, this replacement valve ensures your paint sprayer maintains optimal performance, preventing clogs and ensuring even spray distribution. Perfect for maintaining and enhancing your sprayer?s functionality.