Sealey Propylene Glycol Antifreeze Tester Disc Type (AK4122)

Tests modern propylene glycol coolant antifreeze, hot or cold.
Protection level is indicated by the number of discs floating in the sample.
Easy-to-read temperature table.
Tough, virtually unbreakable, plastic body.
Model No. AK4122

Shipping Label: Sealey Direct