20x21x5 Accumulair Replacement Filter for Comfort Plus

Replacement for OEM Part/Model Numbers: F825-0586 and FR1600

Product Features:

• Nominal Size: 20x21x5
• Actual Size: 20.75x20.63x5
• No assembly required.
• Easily inserts into and out of existing return grille.
• Lasts Up to 6 Months