Precisionaire 10055.012024 EZ Flow II 20 x 24 x 1-Inch Flat Panel Spun Fiberglass Furnace Filter, This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. The frame is made with one continuous piece of chipboard to guard against corner separation. For peak equipment protection and energy efficiency, these filters should be changed monthly in periods of high use. Buy a case and be set for the year!

Precisionaire 10155.012025 EZ Flow 20 x 25 x 1-Inch Spun Fiberglass Furnace Filter, The Flanders Flat Panel EZ flow is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. The frame is made with one continuous piece of chipboard to guard against corner separation and is strengthened by a metal retainer. For peak equipment protection and energy efficiency, these filters should be changed monthly in periods of high use. This filter is effective against the following contaminants: household dust, as well as debris and lint.

Precisionaire 10155.022020 EZ Flow 20 x 20 x 2-Inch Spun Fiberglass Furnace Filter, The Flanders Flat Panel EZ flow is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. The frame is made with one continuous piece of chipboard to guard against corner separation and is strengthened by a metal retainer. For peak equipment protection and energy efficiency, these filters should be changed monthly in periods of high use. This filter is effective against the following contaminants: household dust, as well as debris and lint.

Precisionaire 10155.022025 EZ Flow 20 x 25 x 2-Inch Spun Fiberglass Furnace Filter, The Flanders Flat Panel EZ flow is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. The frame is made with one continuous piece of chipboard to guard against corner separation and is strengthened by a metal retainer. For peak equipment protection and energy efficiency, these filters should be changed monthly in periods of high use. This filter is effective against the following contaminants: household dust, as well as debris and lint.