Manus Liner 955390 The Manus Liner 955390 is a replacement rubber milking liner designed to correspond with compatible Manus milking clusters using reference 955390 . The liner fits inside the teat cup shell and provides the flexible contact surface that opens and closes during pulsation throughout the milking cycle. The Manus Liner 955390 has an overall length of 300mm with a 24mm head opening and a 9mm connection . Its rubber construction is designed for compatible teat cup shells and cluster arrangements using these dimensions. Before ordering compare the existing liner carefully and check the original reference together with the shell type and connection size. Milking liners are repeatedly exposed to pulsation stretching milk contact and cleaning cycles which gradually affects the flexibility and condition of the rubber. A worn liner may become hardened stretched cracked or distorted which can affect liner movement teat contact and overall milking performance. Replacing liners at the appropriate service interval helps maintain consistent operation across the milking cluster. The Manus Liner 955390 is a practical replacement for farmers and dairy engineers maintaining compatible