Coolant Testers

  • Tests all propylene glycol based antifreeze including Sierra®
  • The number of floating discs indicates the degree of coolant protection
  • Temperature compensating with both Fahrenheit and centigrade scales
  • Durable break-resistant plastic housing
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Product Line

SKU Product Name Price
Ethylene Glycol Coolant Tester 106A Ethylene Glycol Coolant Tester
$29.99
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Propylene Glycol Coolant Tester 107A Propylene Glycol Coolant Tester
$28.99
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