Ultraliner DL037U-01 (Pack of 4) The Ultraliner DL037U-01 is a high-quality milking liner designed to provide dependable performance in milking systems using DeLaval type liners. Manufactured to precise specifications, these liners support stable vacuum levels, smooth pulsation, and efficient milk flow throughout the milking process. The Ultraliner DL037U-01 features an orifice diameter of 27.0mm and a total length of 302.5mm , 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 DL037U-01 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 throughout 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 robus