Compatible DeLaval Liner 999009-01 (Pack of 4) The Compatible DeLaval Liner 999009-01 is a precision-engineered milking liner designed to support efficient milk extraction, stable liner action, and consistent teat comfort in DeLaval-type milking systems. Selecting the correct liner specification is essential for maintaining udder health, reliable milk-out, and smooth parlour operation. Manufactured to suit compatible DeLaval clusters, this liner features a 310mm overall length , 20mm hole head , and 20mm connection , ensuring accurate fitment and dependable performance when installed correctly. Correct liner dimensions are critical for maintaining stable vacuum levels , effective pulsation, and consistent liner collapse throughout each milking cycle. Produced from durable rubber material , the Compatible DeLaval Liner 999009-01 is designed to withstand repeated milking cycles, routine wash programmes, and exposure to cleaning chemicals. Maintaining liner condition helps reduce liner slip, protect teat ends, and support consistent milking performance across the herd . Supplied as a pack of 4 , these liners are suitable for routine replacement as part of a planned liner change progra