Smith Performance Sprayers Viton Pump Service Kit 182675 designed for Smith Performance Sprayers R200 2-Gallon Compression Sprayer, R300 3-Gallon Sprayer, 190445 2-Gallon Deck Sprayer, 190447 2-Gallon Bleach Sprayer, R301 3-Gallon Concrete Sprayer, and R200F 2-Gallon Foaming Compression Sprayer.