Ultraliner SAC010U (Pack of 4) The Ultraliner SAC010U is a high-quality milking liner designed to provide dependable performance in milking systems using SAC type liners. Manufactured to precise specifications, these liners support stable vacuum levels, consistent pulsation, and efficient milk flow throughout the milking process. The Ultraliner SAC010U features an orifice diameter of 22.0mm and a total length of 300.0mm , ensuring a secure and accurate fit within compatible cluster shells. Correct liner sizing is essential for maintaining proper liner movement and effective teat massage, helping promote efficient milk extraction while supporting cow comfort during milking. Designed as an unvented liner , the Ultraliner SAC010U operates without an air vent, making it suitable for milking systems where controlled air admission is not required. Maintaining balanced vacuum levels within the cluster helps ensure smooth liner operation and consistent milking performance during each milking cycle. Manufactured from durable materials that conform to BfR and RAL guidelines , these liners meet recognised standards for materials used in food-contact dairy environments. Their robust constructi