20x20x1 MERV 11 Allergen Defense Air Filter 12-Pack - 19.50 x 19.50 x 0.75 Inches

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

Standard Protection (90%) MERV 8 Air Filters are perfect for homes or businesses that want great indoor air quality at a reasonable rate.

Superior Protection (95%) MERV 11 Air Filters are perfect for homes or businesses that have pets, smokers, and allergy sufferers.

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

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

Next page: 1. What is a MERV Rating? 2. MERV 8 3. MERV 11 4. MERV 13 5. Odor Eliminator

Replacement Air Filter: - 20x20x1 (Actual Size: 19.50 x 19.50 x 0.75 Inches) - MERV 8 (Add to Cart) - MERV 11 (Add to Cart) - MERV 13 (Add to Cart) - MERV 8 + Carbon (Add to Cart) - 16x20x1 MERV 8 (Popular) (Add to Cart) - 16x25x1 MERV 8 (Popular) (Add to Cart) - 20x25x1 MERV 8 (Popular) (Add to Cart)

Customer Reviews: - 4.7 out of 5 stars 13,842 - 4.7 out of 5 stars 1,870 - 4.6 out of 5 stars 3,567 - 4.6 out of 5 stars 501 - 4.7 out of 5 stars 8,570 - 4.7 out of 5 stars 12,457 - 4.7 out of 5 stars 8,412

Price: - $32.74 for 20x20x1 MERV 8 - $39.52 for 20x20x1 MERV 11 - $44.10 for 20x20x1 MERV 13 - $60.86 for 20x20x1 MERV 8 + Carbon - $32.12 for 16x20x1 MERV 8 (Popular) - $33.57 for 16x25x1 MERV 8 (Popular) - $37.09 for 20x25x1 MERV 8 (Popular)

Recommended Use: - Standard Filtration (4-Pack) for healthy families and basic needs - Superior Filtration (4-Pack) for allergy sufferers and pet owners - Optimal Filtration (4-Pack) for large rooms and medical settings - Odor Elimination (4-Pack) for household odors and basic needs

Filtration Effectiveness: - MERV 8 filters capture 90% of airborne particles - MERV 11 filters capture 95% of airborne particles - MERV 13 filters capture 98% of airborne particles

Comparable Ratings: - MERV 8 filters are equivalent to MPR 600 & FPR 5 - MERV 11 filters are equivalent to MPR 1000 - 1200 & FPR 7 - MERV 13 filters are equivalent to MPR 1500 - 1900 & FPR 10

Pleat Count: - 8 - 14 Pleats/Foot for all filter sizes

Particle Size: - 3 - 10 Microns (µm) for all filter sizes

Dust & Debris, Mold & Pollen, Lint & Dander: - All filters capture these particles

Smog & Smoke, Bacteria, Odors: - MERV 8 filters do not capture smog & smoke, bacteria, or odors - MERV 11 filters capture smog & smoke and bacteria - MERV 13 filters capture smog & smoke

Choosing the Correct Filter Size: - Nominal Size vs. Actual Size: The nominal size is a rounded shorthand number (ex: 16x20x1), while the actual size is the precise measurement (ex: 15.50x19.50x0.75).

Measuring Your Air Filter: - Use a tape measure to record the width x length x depth to find the actual size. Round up these measurements to the nearest inch to find the corresponding nominal size.

Why should I change my air filter? - Breathing dirty air can lead to asthma, allergies, and other respiratory ailments. Old filters can also cause system defects and increased energy costs.

When should I change my air filter? - We recommend replacing your filter every 90 days. However, this can vary based on filter size and specific needs (e.g. pet owners, allergy sufferers, homes with children).

Will these air filters fit my system? - Most of our filters are universally compatible with any furnace, air conditioner, heat pump, or HVAC system. Just make sure the filter size matches your unit model.

How many air filters do I need? - The number of filters needed varies for each customer based on the number of vents in their home. We offer package quantities ranging from 1 to 12 filters.

How do I change my air filter? - Turn off the power supply, remove the cover from the intake vent, take out the old filter, insert the new filter in the direction of air flow, replace the cover, and turn the power back on.

About Us: - At Filterbuy, we care about your indoor air quality and believe that everyone deserves to breathe clean air, free of allergens and pollutants. We offer a variety of custom air filter sizes and expert services to meet your filtration needs.

Finding the Perfect Fit: - We offer hundreds of custom sizes and a variety of filtration ratings to ensure that you can find the perfect fit for your home or business.

Green Means Clean: - Our new green frames are made with high-quality materials and symbolize the peace of mind that comes from knowing your environment is properly cared for.

100% American Made: - We proudly manufacture our filters in the USA and have a robust network that allows us to fulfill custom orders across the country.

Subscribe and Save: - Opt into our subscription service to simplify the process of replacing your filters. Choose the right product and delivery interval, and we'll ensure your filters arrive on time.

Where We Came From: - We have been in the filtration business for nearly 70 years, and as our team continues to expand, we remain committed to community investment and personal aid.

From the Brand: - At Filterbuy, we are a one-stop shop for all of your air conditioning, furnace, or HVAC system filter replacements. We offer custom sizes, enhanced filtration features, and a reliable supply chain. Our goal is to provide you with clean indoor air and an easy purchasing process.

MERV 11 synthetic media filters are available in a 20x20x1 size. These filters trap 95% of airborne particles without impacting air flow. They are electrostatically charged and pleated to capture more harmful particles, lasting 3 times longer than fiberglass models. They are made with a beverage board frame that improves structural integrity and withstands extreme temperatures. Our products are 100% manufactured in the United States.

If you receive items with a different label, frame, or media, please note that any such alteration is purely cosmetic and your filter will still function exactly as described.

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