Dairymaster Glass Recording Jar (7 Gallon) The Dairymaster Glass Recording Jar (7 Gallon) is a replacement glass jar designed for use with Dairymaster milk recording systems. Recording jars play a vital role during milk recording by accurately collecting and measuring milk output, supporting herd management, performance monitoring, and milk yield analysis. This unit is a 7 gallon capacity glass recording jar , making it suitable for parlours and recording setups that require higher-volume collection. Glass construction allows clear visibility of milk levels, enabling easy observation and accurate readings during recording sessions. Using a genuine-size replacement jar helps ensure measurements remain consistent and reliable. Over time, recording jars can become damaged, cracked, or clouded due to regular use, handling, and wash-down procedures. Replacing a worn or damaged jar helps maintain hygiene standards and ensures milk recording data remains accurate and dependable. The Dairymaster Glass Recording Jar (7 Gallon) is ideal for servicing, repairs, or planned maintenance , particularly where an existing jar needs replacement to keep recording systems operational. Correct sizing a