The Lennox 20C25 air filter is engineered to improve indoor air quality and protect your HVAC system from dust, debris, and airborne contaminants. Designed as a reliable Lennox replacement filter, it maintains steady airflow and supports system efficiency throughout the season.

 

Key Features:

• Nominal size 20 x 25 x 4 inch
• MERV 11 performance for enhanced filtration of dust, pollen, and household particles
• Pleated synthetic media for high dust-holding capacity and extended service life
• Durable frame construction for consistent fit and easy installation
• Helps maintain clean airflow and reduce strain on HVAC components

 

Product Details:

• Manufacturer: Lennox
• Part Number: 20C25
• Alternate Number: 12100204000467
• Type: Pleated Air Filter
• MERV Rating: 11
• Nominal Size: 20 x 25 x 4 inch