Compatible Boumatic 8506718 and 8506752 Liner The Compatible Boumatic 8506718 and 8506752 Liner is a precision-engineered milking liner designed to support efficient milk extraction, stable liner action, and consistent teat comfort in Boumatic-type milking systems. Correct liner selection is essential for maintaining udder health, smooth milking routines, and reliable parlour performance. Manufactured to suit compatible Boumatic clusters, this liner features a 310mm overall length , 23mm hole head , and 11mm connection , ensuring accurate fitment and dependable operation 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 Boumatic 8506718 and 8506752 Liner is designed to withstand repeated milking cycles, regular wash programmes, and exposure to cleaning chemicals. Maintaining liner condition helps reduce liner slip, protect teat ends, and support consistent milk-out across the herd . Supplied as a pack of 4 , these liners are suitable for routine liner replacement as part of a planned maintenance