Lennox X0585 BMAC 20" x 20" x 5" MERV 11 Furnace Filter

Maintain clean, healthy air in your home with the Lennox X0585 BMAC furnace filter. This 20" x 20" x 5" filter features MERV 11 filtration to help capture dust, pollen, pet dander, mold spores, and other airborne particles.

Built 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 pets, allergies, or higher dust levels.

Easy to install and long lasting, the Lennox X0585 provides consistent performance for year-round comfort and cleaner indoor air.

• Size: 20" x 20" x 5"
• MERV 11 rated filtration
• Designed for Lennox BMAC systems
• Captures allergens and fine particles
• Supports HVAC efficiency
• Simple replacement design