The Air Cleaner Indicator measures the restriction or pressure drop across the air filter. They provide a visual or electronic indication when the filter becomes clogged or reaches a predetermined level of restriction, indicating that it needs to be serviced or replaced. They are positioned on the clean side of the air filter, where the pressure drop is measured. Attributes:• Pressure drop across the filter increases, causing the sensing mechanism to activate the indicator• Prevent engine damage caused by inadequate filtration Applications:The Air Cleaner Indicator is used to optimize equipment performance and fuel efficiency by ensuring that the air cleaner is changed or cleaned at the appropriate intervals.