Kingston Liner KMM990 BouMatic Non-Vented (Pack of 4) The Kingston Liner KMM990 BouMatic Non-Vented is a reliable, one-piece milking liner designed for BouMatic-fit clusters where consistent vacuum and gentle milking action are essential. Manufactured from high-quality rubber, it supports smooth milk flow and excellent teat comfort, helping maintain calm, efficient milking routines in busy dairy parlours. Designed as a non-vented liner , the Kingston Liner KMM990 BouMatic Non-Vented helps maintain stable vacuum conditions throughout the milking cycle. This stability supports even cluster action, reduces unwanted air movement, and contributes to clean, controlled milk transfer. With a smooth internal bore, it promotes steady milk flow while minimising stress on the teat, supporting udder health and consistent milk-out. Supplied as a pack of four , these liners are ideal for routine replacement schedules, helping farms maintain hygiene standards and protect long-term milking performance. Regular liner changes are a simple but vital part of parlour maintenance, reducing liner slip, improving cow comfort, and supporting overall system efficiency. The Kingston Liner KMM990 BouMatic Non-
