BestAir A201-SGM-BOX-11R MERV 11 Furnace Filter for Aprilaire Space-Gard 2200/2250 & Lennox PMAC-20C – 20x25x6 (Single Pack)

High-efficiency filtration for compatible Aprilaire and Lennox systems

The BestAir A201-SGM-BOX-11R is a premium furnace filter built for select Aprilaire Space-Gard models and Lennox PMAC-20C units. With a sturdy cardboard frame and a 20x25x6 footprint (actual 19 ¾ x 24 ¼ x 6 inches), this single-pack filter is designed for a clean, precise fit. The filtration media balances strong particle capture with steady airflow, helping your HVAC system operate smoothly while filtering a broad range of airborne particulates.

What makes it stand out

• Filters out dust, pollen, mold particles, bacteria, and other common indoor contaminants while maintaining healthy air passage through the filter media
• Engineered for high efficiency with a minimum pressure drop, supporting energy-efficient operation of your furnace or air handler
• MERV 11 rating delivers improved filtration performance compared with lower-grade options
• Media designed to trap up to 95% of airborne particles from 0.3 to 10 microns, helping to reduce visible particles in the airflow
• Compared with standard 1" fiberglass filters, this model can be 25–30% more effective at capturing larger household particles

Fit, installation, and durability

• Exact fit for Aprilaire Space-Gard 2200, 2250 (201) and Lennox PMAC-20C 24" units
• Cardboard frame enables easy, one-step installation and helps maintain a reliable seal
• Media with no holes promotes consistent filtration across the surface
• Made in the USA, reflecting a commitment to quality manufacturing

In everyday use, you may notice steadier airflow and a reduction in visible dust during cleaning and maintenance. This filter is positioned as a practical upgrade for households seeking better filtration without changing equipment. It’s suitable for regular replacement cycles and can fit a range of common residential HVAC configurations.

Real-world usage ideas

• Replace during routine maintenance to maintain filtration efficiency and airflow
• Ideal during pollen seasons or periods of higher dust to help keep living spaces feeling fresher
• Pairs well with existing HVAC systems that require a 20x25x6 filter size

Note: This description summarizes the product’s features and typical benefits. Results may vary based on system configuration and usage patterns.