Milkrite Impulse Air IP20 Liners – Pack of 4 The Milkrite Impulse Air IP20 Liners – Pack of 4 are advanced milking liners specifically engineered for cows with high milk flow rates . Part of the Impulse Air liner family, the IP20 range is designed with a smaller bore , making it particularly suitable for easy-milking cows where controlled liner action and stable vacuum are essential. Manufactured using Milkrite’s proven Impulse Air technology , these liners introduce controlled air admission during the milking cycle. This helps support efficient milk removal , stable vacuum conditions, and improved liner performance, while maintaining good teat-end condition. Correct liner selection is especially important for high-yielding cows, where managing flow without compromising comfort is critical. Supplied as a pack of four , the Milkrite Impulse Air IP20 Liners – Pack of 4 are ideal for routine liner replacement and planned maintenance programmes. Regular liner changes help preserve elasticity and performance, reducing the risk of liner slip, reduced milking efficiency, or inconsistent cluster behaviour. Designed to integrate seamlessly with compatible Impulse Air cluster systems, these