Keep your home’s air clean and comfortable with the Lennox X6673 filter media. This 20" x 25" x 5" replacement filter features MERV 11 filtration to help capture dust, pollen, pet dander, mold spores, and other airborne particles.
Made with high-quality pleated media, this filter supports strong airflow while delivering reliable filtration. It helps protect your HVAC system, improve efficiency, and extend equipment life. Ideal for homes with allergies, pets, or higher dust levels.
Designed for easy installation and long service life, the Lennox X6673 provides consistent performance and cleaner indoor air year round.
• Size: 20" x 25" x 5"
• MERV 11 rated filtration
• Genuine Lennox replacement media
• Captures allergens and fine particles
• Supports HVAC efficiency
• Simple replacement design
