20x26x5 Accumulair Replacement Filter for Lennox

Replacement for OEM Part/Model Numbers: X8788 and PC20-28

Product Features:

• Nominal Size: 20x26x5
• Actual Size: 20x25.5x4.38
• No assembly required.
• Easily inserts into and out of existing return grille.
• Lasts Up to 6 Months