Cold-Chek` Anti-Freeze / Coolant Tester

* Professional 16 1/4 disc-type tester is used to test propylene glycol-based antifreeze in automotive radiators and fresh-water systems in RVs and

Thexton Anti-Freeze Cold-Chek Coolant Tester

Tests DEX-Cool, Preston, Zerex Pocket size Accurate at any temperature

Thexton THE102 Anti-Freeze Tester

Thexton Cold-Chek Anti-Freeze Coolant Tester

Vintage Thexton Cold-chek Anti-freeze & Coolant Tester

Cold-Chek` Anti-Freeze / Coolant Tester

THX-101 Thexton Ethylene Glycol Anti-Freeze and Coolant Tester

Vintage Thexton Anti Freeze Cold-Chek Coolant Tester Advertising CC-1 Automotive

Thexton 102 Cold-Chek Professional Anti-Freeze Coolant Tester - Shop Thexton Online

Value Collection - Refractometers; Refractometer Type: Antifreeze/Coolant Tester - 43583889 - MSC Industrial Supply

Prestone® Long Life DEX-COOL Concentrated Anti-Freeze/Coolant, 3.78-L

Vintage Thexton Cold-chek Anti-freeze & Coolant Tester

Performance Tool Deluxe Anti-Freeze Tester at Tractor Supply Co.

Anti-Freeze & Coolant Testers Test Strips, Refractometrs —

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1 THEXTON DISC TYPE COLD-CHEK ANTI-FREEZE AND COOLANT TESTER #106