18x36x1 Furnace and AC Filters

EZ Flow filter by Flanders AAF. The low initial pressure drop and robust construction of this filter make it a solid choice to protect residential ...

The manufacturer has discontinued this filter. The recommended replacement is the AAF Flanders EZ Flow Filters >> Click Here Metal reinforcem...

The Naturalaire Standard MERV 8. The Naturalaire Standard has an ASHRAE 52.2 rating of MERV 8. This filter is convenient to use and easy to replace...

With a MERV 10 rating, the Flanders NaturalAire Microparticle electrostatically charged filter not only protects your HVAC system, it helps protect...

18 x 36 x 1 pleated filters in the the exact size of 18 x 36 x 1. Finding the perfect fit filter isn't always easy so we teamed up with AAF Flander...

18 x 36 x 1 basic filters in the the exact size of 18 x 36 x 1. Finding the perfect fit filter isn't always easy so we teamed up with AAF Flanders ...