Description
The K&N Filters 85-2445 Emission Control Filter Minder is an essential tool for monitoring air filter restriction. This innovative air filter service indicator provides a clear visual signal of when your air filter needs servicing. As the air filter accumulates dirt, the yellow position indicator moves within the clear window and locks in place at the highest point, ensuring you can easily read it even after the engine is turned off.
Designed for practicality, the Filter Minder helps maintain optimal engine performance by indicating the need for air filter cleaning. It is crucial to wait until the yellow position indicator reaches the red zone before cleaning the air filter, ensuring that you are not prematurely servicing the filter and potentially compromising engine efficiency. This simple yet effective device aids in prolonging the life of your air filter and enhancing the overall performance of your engine.
Features
- Acts as an air filter service indicator
- Yellow position indicator moves to show air filter restriction
- Locks at the highest point for easy reading
- Visible even after engine shutdown
Frequently Asked Questions
What is the purpose of the K&N Filters 85-2445 Filter Minder?
The Filter Minder monitors air filter restriction and indicates when the air filter should be serviced.
How does the yellow position indicator work?
The yellow position indicator moves as the air filter gets dirty and locks at the highest point.
Can I read the indicator after turning off the engine?
Yes, the indicator can be read even after the engine is turned off.
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.











