![Disc Type Propylene Glycol Antifreeze Tester [AK4122]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK4122__44482.1720555449.webp)
![Disc Type Propylene Glycol Antifreeze Tester [AK4122] - Image 2](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK4122_PIC2__70687.1720555424.webp)
Description
• Tests modern propylene glycol coolant antifreeze, hot or cold.
• Protection level is indicated by the number of the five large coloured discs which float in the sample.
• Easy-to-read temperature table on the virtually unbreakable plastic body.
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![Disc Type Propylene Glycol Antifreeze Tester [AK4122]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK4122__44482.1720555449-324x324.webp)