23-1/2x23-1/2x1 Furnace and AC Filters

Heavy-Duty Construction The EZ Flow II filter frame is made from heavy chipboard in a one-piece design that eliminates corner separation. The filte...

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...

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

23 1/2 x 23 1/2 x 1 basic filters in the the exact size of 23 1/2 x 23 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

23 1/2 x 23 1/2 x 1 pleated filters in the the exact size of 23 1/2 x 23 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up ...