Fullwood Master Relay Gasket The Fullwood Master Relay Gasket is a genuine replacement part designed to provide a secure, airtight seal within your milking system’s relay unit. By maintaining vacuum integrity, it ensures reliable pulsation, smooth milking performance, and protection against unwanted air leaks. Manufactured from durable, high-quality materials, this gasket is built to withstand the daily pressures of dairy farming while delivering a precise fit. Regular replacement helps reduce wear, extend equipment life, and protect milk quality by keeping your parlour system running efficiently. Easy to install and engineered to Fullwood’s trusted standards, the Master Relay Gasket is a small but vital component in ensuring consistent milking performance.