Fullwood Master Relay Filter is a genuine replacement part designed to protect your milking system’s relay unit from dirt, debris, and contamination. By ensuring only clean air passes through, it helps maintain stable vacuum levels, reliable pulsation, and consistent milking performance. Manufactured to Fullwood’s high standards, this durable filter is easy to fit and replace, making it a simple yet vital part of routine parlour maintenance. Regular filter changes reduce wear on sensitive components, extend equipment life, and safeguard milk quality. Compact, effective, and built to last—the Fullwood Master Relay Filter is an essential spare for keeping your milking system running smoothly day after day.