Fullwood Major and Magnum Rubber Nut Seal The Fullwood Major and Magnum Rubber Nut Seal is a replacement sealing component designed for use with Fullwood Major and Magnum milk filter assemblies. Correct sealing at the milk filter is essential to maintain hygienic milk transfer, prevent leaks, and ensure consistent system performance during every milking. This rubber nut seal fits within the milk filter nut, creating a secure, leak-free seal between components when correctly installed. Over time, seals can harden, crack, or deform due to repeated exposure to milk, cleaning chemicals, heat, and pressure changes. A worn or damaged seal can lead to milk leaks, air ingress, or reduced filtration efficiency, all of which can compromise hygiene and system reliability. Replacing the rubber nut seal as part of routine maintenance helps restore proper sealing and protects the milk filter housing and surrounding components from unnecessary wear. It is a simple but important service part that supports smooth milk flow and dependable filtration performance. Designed specifically for Fullwood Major and Magnum milk filters , this replacement seal offers dependable compatibility when fitted correc
