12x24x5 Accumulair Replacement Filter for Honeywell

Replacement for OEM Part/Model Numbers: FC40R1037

Product Features:

• Nominal Size: 12x24x5
• Actual Size: 11.75x23.75x4.38
• No assembly required.
• Easily inserts into and out of existing return grille.
• Lasts Up to 6 Months