Ultraliner BM50F (Pack of 4) The Ultraliner BM50F is a high-quality milking liner designed to provide dependable performance in milking systems using Boumatic Flex 50 type liners. Manufactured to precise specifications, these liners support consistent pulsation, efficient milk flow, and stable vacuum levels during the milking process. The Ultraliner BM50F features an orifice diameter of 25.1mm and a total length of 301mm , ensuring a secure and accurate fit within compatible cluster shells. Correct liner dimensions are essential for maintaining effective teat massage and smooth liner movement throughout the milking cycle, helping promote efficient milk extraction and cow comfort. Designed as a non-vented liner , the Ultraliner BM50F operates without an air vent, making it suitable for milking systems where controlled air admission is not required. Choosing the correct liner type for your system setup helps maintain proper vacuum balance and consistent cluster performance. Manufactured from durable materials that conform to BfR and RAL guidelines , these liners meet recognised standards for materials used in dairy applications. The robust construction allows the liners to withstand