- Use: The Precisionaire Furnace Air Filter has been protecting furnaces and central air conditioners around the world for over 50 years
- Continuous Piece: The frame is made with one continuous piece of chipboard to guard against corner separation
- Effective Protection: For peak equipment protection and energy efficiency, this filter should be changed monthly in periods of high use
- MERV Rating: This filter requires no metal media retainers and offers up to a MERV rating of 4
- Dust Protection: This filter is 30-day effective against dust/lint
- Use: The Precisionaire Furnace Air Filter has been protecting furnaces and central air conditioners around the world for over 50 years
- Continuous Piece: The frame is made with one continuous piece of chipboard to guard against corner separation
- Effective Protection: For peak equipment protection and energy efficiency, this filter should be changed monthly in periods of high use
- MERV Rating: This filter requires no metal media retainers and offers up to a MERV rating of 4
- Dust Protection: This filter is 30-day effective against dust/lint