Thexton THE100 Anti-Freeze Tester

Tests Sierra Prestone Low Tox and coolants Pocket size Propylene glycol Accurate at any temperature

Thexton THE100 Anti-Freeze Tester : Automotive

Thexton 100 (PG) Anti-Freeze Tester

Prestone AF-1420 Antifreeze/Coolant Tester

Cold Filter Plugging Point Tester: Callisto 100

Prestone AF-1420 Antifreeze/Coolant Tester

Thexton Cold-Check® Disc-Type (PG) Anti-Freeze Tester for

Prestone AF-1420 Antifreeze/Coolant Tester

Thexton Cold-Check® Disc-Type (PG) Anti-Freeze Tester for

Thexton 107 Cold-Chek Coolant Tester

Thexton 100 (PG) Anti-Freeze Tester

Prestone AF-1420 Antifreeze/Coolant Tester

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Thexton THE106 Anti-Freeze Tester : Tools & Home

Thexton 106- Cold-Chek Professional Ethylene Glycol Coolant Tester