1 hour ago
1
This Prestone tester is $3.97 at Walmart today, down from $6, and well below the current Amazon price of $15. Similar unbranded models at Amazon also cost at least $6. It works with all ethylene and propylene glycol coolants, including Dex-Cool and extended-life formulas. Buy Now at Walmart
Features
- Compatible with all ethylene & propylene glycol coolants
- Tests antifreeze/anti-boil protection levels
- Visual inspection for rust and sediment
- Dimensions: 6" x 9"
- Rinse-clean with hot water after use
