20x26x3 Accumulair Replacement Filter for Lennox

Replacement for OEM Part/Model Numbers: X1180 and PCO-12U

Product Features:

• Nominal Size: 20x26x3
• Actual Size: 20.13x26x3
• No assembly required.
• Easily inserts into and out of existing return grille.
• Lasts Up to 6 Months