UPC 031949150662

• Pack of 12 disposable UL Class II rated air filters designed for protection of furnace and central air units
• MERV 4 rating: Removes household dust, pollen, and lint
• Continuous chipboard design guards against corner separation while the one-sided metal media retainer adds to the filter strength
• Each filter maintains efficiency for up to 30 days
• Compatible with HVAC systems requiring filters sized 20" x 20" x 1"

The Flanders Flat Panel E-Z Flow Air Filter 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. Lasts up to 30 days. UL Class II rated. Protects heating and air conditioning equipment. Sturdy chipboard frame and metal retainer contributes to filter strength.