Compatible Surge Liner 10040 Type III (Pack of 4) The Compatible Surge Liner 10040 Type III is a high-quality replacement liner set designed to deliver reliable, gentle, and consistent milking performance across Surge milking systems . Supplied as a pack of four , these liners ensure steady milk flow , stable vacuum control , and excellent teat comfort , supporting both udder health and system efficiency . Manufactured from durable, food-grade rubber , these liners are flexible, long-lasting , and resistant to heat, chemicals, and daily wear . The precision-moulded design provides a tight, secure fit to maintain consistent vacuum levels , reduce slippage, and promote efficient milk extraction with minimal stress to the cow. The Compatible Surge Liner 10040 Type III features a length of 290mm , a hole head size of 24mm , and a connection size of 8mm , offering a direct-fit replacement for original Surge Type III liners. Designed for easy installation and reliable operation , they help reduce downtime while ensuring smooth, efficient milking every time. When correctly fitted, these liners help to: Maintain consistent vacuum and milk flow Deliver smooth, gentle milking performance Red