Kingston Liner KMM1015 Pack of 4 Boumatic Flex 50 The Kingston Liner KMM1015 Pack of 4 Boumatic Flex 50 offers superior milking performance, durability, and cow comfort. Specially designed as a direct replacement for Boumatic Flex 50 milking systems, these liners ensure consistent milking efficiency while maintaining the highest hygiene standards in the parlour. Manufactured from high-quality, food-grade rubber, the Kingston Liner KMM1015 Pack of 4 Boumatic Flex 50 provides a precise fit, delivering optimal teat stimulation and steady milk flow with every session. The smooth, flexible material reduces stress on the teat, helping prevent irritation and promoting overall udder health — an essential factor for maintaining yield and quality. These liners are easy to install, clean, and replace, making them ideal for busy dairy operations. Each liner is available in both vented and unvented designs, allowing farmers to choose the option best suited to their system setup and milking conditions. Their robust construction withstands demanding milking routines, ensuring reliability and long-term value. With their simple one-piece design and accurate sizing — 25 mm x 10.6 mm — these liners s