BestAir HW-series replacement pleated air filter designed for Honeywell air cleaning systems. This MERV 11 rated filter captures 95% of airborne particles down to 10 microns including dust, pollen, mold spores, and pet dander, providing effective filtration for improved indoor air quality.

• MERV 11 rating -- captures 95% of particles up to 10 microns
• Nominal size: 16" x 25" x 4"
• Designed for Honeywell air cleaning systems
• Specialized pleated electrostatic filtration media
• Low air flow resistance for efficient HVAC operation
• Lasts up to 12 months before replacement
• Filters dust, pollen, mold spores, pet dander, and fine particles
• Easy drop-in installation -- no tools required
• 3 filters per pack