The Kenworth 2006 and newer Air Filter Monitor Gauges are a practical and reliable solution for monitoring air filter efficiency. With a red color and black bezel, these gauges seamlessly blend into any vehicle's dashboard. Designed to provide accurate readings, they help ensure optimal engine performance and longevity by alerting you when it's time to replace the air filter. Easy to install and use, these gauges are a must-have for any Kenworth owner looking to maintain their vehicle's efficiency and reduce maintenance costs.