20x25x1 MERV 11 Allergen Defense Air Filters (3-Pack)

Measurement System: The Minimum Efficiency Reporting Value (MERV) rates the ability of air filters to trap particles on a scale of 1-20, with 20 capturing the smallest microns.

Standard Protection (90%): MERV 8 Air Filters are perfect for almost any home or business seeking great indoor air quality at a reasonable rate.

Superior Protection (95%): MERV 11 Air Filters are ideal for homes or businesses with factors like pets, smokers, and allergy sufferers.

Optimal Protection (98%): MERV 13 Air Filters are perfect for larger homes or businesses, and those who want the best possible filtration experience.

Odor Eliminator (90%): MERV 8 Air Filters with Activated Carbon are perfect for homes or businesses wanting to inhibit unpleasant smells with reliable MERV 8 quality.

What is a MERV Rating? MERV stands for Minimum Efficiency Reporting Value and rates an air filter's ability to capture particles on a scale of 1-20, with 20 capturing the smallest microns.

MERV 8: These air filters are perfect for standard filtration needs, capturing 90% of airborne particles between 3-10 microns in size.

MERV 11: Ideal for superior filtration, these air filters capture 95% of airborne particles between 1-3 microns, making them perfect for allergy sufferers and pet owners.

MERV 13: Offering optimal filtration, these air filters capture 98% of airborne particles between 0.3-1 microns, making them perfect for larger rooms and medical settings.

Odor Eliminator Replacement Air Filter: This MERV 8 air filter with activated carbon is perfect for homes or businesses wanting to inhibit unpleasant odors while maintaining reliable 90% airborne particle capture.

Choosing the Correct Filter Size: The nominal size is a rounded whole or half inch, while the actual size depicts the filter's precise dimensions. Measure your current filter to find the right replacement.

Why Change Your Air Filter? Replacing air filters regularly maintains a healthy lifestyle by reducing risks of asthma, allergies, and other respiratory issues, while also improving HVAC system efficiency.

When to Change Your Air Filter: We generally recommend replacing filters every 3 months, but this may vary based on factors like filter size, pets, allergies, and home occupancy.

Will These Filters Fit My System? Our universally compatible air filters will work with any furnace, AC, heat pump, or HVAC system, as long as you choose the proper size.

How Many Filters Do I Need? This depends on your home's unique needs, but our selection includes packages ranging from 1 to 12 filters to accommodate any situation.

How to Change Your Air Filter: Turn off power, remove the old filter, and insert the new one matching the direction of airflow, then replace the cover and turn power back on.

About Filterbuy: As a family-owned, American-made company, we are passionate about providing everyone access to clean, healthy indoor air. From our robust product selection to subscription services, we are committed to making air filter maintenance easy and affordable.

product information: