HIGH WORKING PRESSURE & TEMPERATURE - With a maximum working pressure of 4500psi and a maximum working temperature of 158°F, our ball valve can handle tough cleaning tasks with ease.DURABLE STAINLESS STEEL MATERIAL - Our pressure washer ball valve assembly is made of thickened stainless steel, which is rust-proof, corrosion-resistant, high-strength, and high-pressure resistant. Thickened interface treatment, more explosion-proof and anti-leakage.BALL VALVE KIT - The kit includes 1 * high-pressure ball valve with 1/4" NPT thread, 1 * 1/4" quick coupler plug to 3/8" male NPT thread, 1 * 1/4" quick coupler socket to 1/4" male NPT thread, and 2 * tapes.EASY INSTALLATION - First take out the red protective plug before use, wrap tape on the joint thread, then tighten it with a wrench, and connect it to the cleaner for use.