The 1" Waterfall Valve Cap in Dark Gray is a reliable replacement part designed to provide a secure and tight fit for the waterfall valve in Marquis spas. With its dark gray color and 1” diameter, this cap helps protect the valve from debris, ensuring smooth operation and preventing water leakage. It's compatible with Marquis Signature Series spas and other compatible models, offering a simple solution to keep your spa in top condition. Whether replacing a worn or damaged cap, this part ensures the longevity and efficiency of your spa's waterfall system.