Milkrite Liners 916U  is a hard wearing and durable Moorepark approved liner suitable for most teatcups. Ensuring that the liners are correctly fitted with no twists or bends reduces irratation and damge to the teat canal opening leading to causes of infections and mastitis. It is recommended that liners be replaced every 2500 milkings due to wear and tear from every day use and also chemicals weakening the rubber wall. After time the rubber will become rough, split and increase cases of cross contamination.