Restriction Indicator

Donaldson Air Filter Service Indicators/Restriction Gauges are designed to be easily retro fitted or installed as new supply on any of Donaldson’s air cleaners. They are designed to maximize filter life by easily indicating when an air cleaner is clogged and needs replacement. They do this by gauging restriction across the air cleaner. Donaldson filter indicators save money by extending filter service and take the guess work out of whether or not a filter needs changing.




Features

  • Resistant to vibration, breakage, weather, corrosion, dust and dirt
  • All measure restriction in inches of water vacuum
  • Reliable filter restriction readings 



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