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Generalaire Air Filter Guage, Model G-99.

Generalaire Air Filter Guage, Model G-99.

Regular price $42.00
  • Installed between your furnace air filter and your furnace blower
  • Used to determine when to change furnace filter by measuring airflow resistance
  • See Instructions in image shown
  • Free Shipping in Ontario & Quebec*
  • Pick Up in Store $20.00