The Penray Companies Inc. 4 Way Coolant Test Strip is the quick and easy solution to ensure your vehicle's cooling system is working at its best. Test strip provides quick and accurate results in just minutes, making it easy to detect potential coolant issues early, and help prevent costly engine damage. 4 Way Coolant Test Strip is easy to use and interpret, so you don't need any special training or knowledge to use it. Simply dip the strip in the coolant, and compare the color changes to the chart on the packaging. Test strip is designed to work with all types of coolants, including ethylene glycol and propylene glycol. By using our test strip regularly, you can avoid unnecessary coolant replacements, saving both time and money. The compactpackaging of our test strip makes it easy to store in a toolbox or glove compartment, so you always have it on hand when you need it. Each strip can be used for multiple tests, making it a cost-effective solution for regular coolant testing and maintenance. FleetPride is your First Click in Heavy Duty®.