DEI Heater Hotter is formulated specifically to accelerate the transfer of heat from engine to cooling system in frigid climates that otherwise increase engine wear. Heater Hotter's unique formula allows your vehicle's heater to warm up 50% faster in even sub-zero temperatures and is safe to mix with all types of anti-freeze. Just simply add to your radiator.
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- Accelerates transfer of heat from engine to heater
- Improves engine warm-up time by 50%
- Simply add to your radiator
- Safe with all types of anti-freeze; contains no glycol
- Helps reduce engine wear
