The BestAir SG213-BOX-13R is a 20x25x4 inch pleated air filter designed to maintain superior indoor air quality in residential heating and cooling systems. With a MERV 13 rating and electrostatically charged media, this filter is compatible with Aprilaire and SpaceGard models 4200, 2210, and 213, making it a reliable replacement option for many common HVAC systems.
This high-efficiency filter traps up to 99% of airborne particles ranging from 0.3 to 10.0 microns in size, including pollen, mold spores, bacteria, dust, lint, and virus carriers. The electrostatically charged pleated design delivers consistent filtration for approximately one year of use, effectively reducing common indoor air contaminants.
Features and Benefits
- MERV 13 Rating: Provides excellent filtration performance to remove fine particles and allergens from circulated air.
- Electrostatically Charged Media: Enhances the filter’s particle-trapping capability.
- High Particle Capture: Effectively captures up to 99% of particles from 0.3 to 10.0 microns, including pollen, dust, mold, bacteria, and virus carriers.
- One-Year Service Life: Lasts up to one year of use.
- Compatible with Major Brands: Works with Aprilaire models 4200, 2210 and SpaceGard 213 systems.
Specifications
- Brand: BestAir
- Model: SG213-BOX-13R
- Dimensions: 20 x 25 x 4 inches
- MERV Rating: 13
- Media Type: Electrostatically charged pleated
- Service Life: Approximately 1 year
- Compatible Systems: Aprilaire 4200, 2210; SpaceGard 213
- Particle Capture Efficiency: Up to 99% of particles 0.3–10.0 microns








