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NaturalAire Elite Air Filter, MERV 13, 20 x 30 x 1-Inch, 12-Pack
The Flanders NaturalAire Elite Air Filter removes the greatest amount of airborne particles and is made of a one-sided metal-reinforced pleated media. This filter tests as a MERV (Minimum Efficiency Reporting Value) 13 rating through ASHRAE 52.2 test...
E-Z Flow Air Filter, MERV 4, 23 x 23 x 1-Inch, 12-Pack
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....
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