20x23x4.25 Accumulair Replacement Filter for Day and Night

Replacement for OEM Part/Model Numbers: FILCCFNC0024 and FILBBFNC0024

Product Features:

• Nominal Size: 20x23x4.25
• Actual Size: 19.88x22.63x4.25
• No assembly required.
• Easily inserts into and out of existing return grille.
• Lasts Up to 6 Months