Ultraliner WS240U (Pack of 4) The Ultraliner WS240U is a high-quality milking liner designed to provide dependable performance in milking systems using GEA type liners. Manufactured to precise specifications, these liners support consistent pulsation, stable vacuum levels, and efficient milk flow throughout the milking process. The Ultraliner WS240U features an orifice diameter of 23.0mm and a total length of 334.5mm , 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 WS240U operates without an air vent, making it suitable for milking systems where controlled air admission is not required. Maintaining stable vacuum conditions within the cluster helps ensure consistent milking performance and smooth liner operation during each milking cycle. Manufactured from durable materials that conform to BfR and RAL guidelines , these liners meet recognised standards for food-contact materials used in dairy environments. Their robust construction