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(888) 312-8812 Login SignupMonitoring air restriction is key to engine longevity, and the Farr Air Filter Indicator provides clear, real-time feedback on filter status. Designed for integration into intake systems on trucks, generators, and industrial equipment, it allows operators to quickly assess when a filter needs replacement—preventing costly engine strain and maximizing airflow efficiency. Built with durable materials and a clear visual scale, the Farr L-14440-20 withstands vibration and extreme temperatures.
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