Compatible Milkrite Impulse Air IP11 Air Liners (Pack of 4) The Compatible Milkrite Impulse Air IP11 Air Liners are high-quality replacement liners designed to deliver smooth, efficient, and gentle milking performance across Milkrite Impulse Air systems . Supplied as a pack of four , these liners offer a precise fit , ensuring consistent vacuum balance , steady milk flow , and optimal teat comfort during every milking session. Manufactured from durable, food-grade rubber , these liners are flexible, long-lasting , and resistant to cleaning chemicals and wear. Their precision-moulded design helps maintain a secure seal within the shell, reducing slippage and ensuring stable performance across extended use. The Compatible Milkrite Impulse Air IP11 Air Liners have a length of 287mm , hole size head of 20mm , and connection size of 13mm , making them a direct-fit replacement for original Milkrite IP11 liners. Designed for easy installation , they help reduce downtime and maintain consistent milking efficiency . When correctly fitted, these liners help to: Deliver gentle, even milking for improved teat health Maintain reliable vacuum and milk flow Reduce slippage and liner fatigue Suppo