Filterbuy MERV 11 Allergen Defense Air Filters (3-Pack) for Honeywell, Lennox, Carrier

Air Filter Product Overview

Measurement System: Minimum Efficiency Reporting Value (MERV) The MERV rating system evaluates an air filter's ability to trap particles, with a scale from 1-20 (20 capturing the smallest microns).

Standard Protection (90% Efficiency): MERV 8 Air Filters Ideal for most homes and businesses seeking great indoor air quality at a reasonable cost.

Superior Protection (95% Efficiency): MERV 11 Air Filters
Perfect for environments with pets, smokers, or allergy sufferers, capturing more airborne particles.

Optimal Protection (98% Efficiency): MERV 13 Air Filters Recommended for larger spaces and those seeking the best possible filtration, trapping even the smallest particles.

Odor Eliminator (90% Efficiency): MERV 8 with Activated Carbon Helps inhibit unpleasant smells in homes and businesses, while providing reliable MERV 8 quality.

Choosing the Right Filter Size Nominal vs Actual Size: The nominal size is a rounded measurement, while the actual size depicts the filter's precise dimensions. Always match your system's requirements.

Measuring for Replacement: If no size is listed, measure the width, length, and depth of your current filter to find the exact replacement.

When to Change Filters We generally recommend changing filters every 3 months to maintain efficiency and indoor air quality. However, factors like pets, allergies, and home occupancy can impact this schedule.

Ensuring a Perfect Fit Our filters are universally compatible with most HVAC systems. Simply match the size, and you're good to go. If you see a specific brand, ensure it matches your unit model.

How Many Do I Need? The number of filters required depends on your home's needs. Our selection includes 1 to 12 packs to suit every situation.

Changing the Filter After finding the right replacement, turn off power, remove the old filter, and insert the new one in the direction of airflow. Replace the cover and restore power.

About Filterbuy Our American-made filters use premium materials and are designed to improve indoor air quality. We're committed to providing clean, healthy air for all.

From our local manufacturing to subscription services, we strive to make filter maintenance convenient and accessible. When you see our green frames, you can breathe easy.

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