Air filters play a crucial role in maintaining indoor air quality, ensuring that the air we breathe is free from allergens and harmful particles. With increasing awareness of air pollution and its effects on health, choosing the right air filter has never been more important. Filters with higher MERV ratings, like the MERV 11, are designed to capture a wide range of microscopic particles, including dust, pet dander, and allergens, making them an excellent choice for those with allergies or respiratory concerns. A good air filter not only improves air quality but also enhances the efficiency of your HVAC system.
In this post, we’ll take a closer look at the BNX TruFilter 20x20x1 Air Filter MERV 11, a top choice for homeowners seeking superior filtration. We’ll explore its features, performance, and benefits, as well as why it stands out in a crowded market. If you’re looking to improve your indoor air quality, this detailed examination will help you understand why this product might be the perfect fit for your needs.



Product Overview and Features
The BNX TruFilter 20x20x1 Air Filter is a high-performance air filtration solution designed for use in air conditioning units, furnaces, and HVAC systems. With a MERV 11 rating, this filter effectively captures a range of airborne particles, including allergens, dust, pet dander, and smoke, ensuring cleaner air quality for your home. The filter features an actual size of 19 11/16’’ x 19 11/16’’ x 3/4‘’ and is compatible with MPR ratings of 1000-1200 and FPR 7. Its electrostatically charged synthetic media provides superior filtration while maintaining low airflow resistance, making it a highly efficient choice.
This product is manufactured in the USA, utilizing sustainable practices and materials, including a one-piece frame made from recycled cardboard to reduce environmental waste. The BNX TruFilter promises a significant improvement in air quality within just 48 hours of installation.

Where to buy
- 20x20x1 MERV 11 air filter replacement for your air conditioner, furnace or HVAC system. Actual Size: 19 11/16’’ x 19 11/16’’ x 3/4‘’. Comparable with MPR 1000 -1200 & FPR 7. Electrostatically charged filter media with industry leading low air flow resistance.
- MADE IN USA, SUSTAINABLY - Proudly manufactured by BNX Converting, LLC in Houston, TX, a registered and approved facility (EPA Registration # 101638-TX-1). Adopts single sided (one-piece) frame technology to reduce environmental waste and made sustainably from recycled cardboard.
- SUPERIOR PERFORMANCE - The BNX MERV 11 100% synthetic electrostatically charged air filter media outperforms standard fiberglass filters and adopts the latest in electrostatic filtration technology to allow for industry leading superior low air flow resistance while maintaining the highest grade level of filtration.

Benefits for Allergy Sufferers
Air quality is crucial for maintaining health, especially for those sensitive to allergens. The BNX TruFilter is designed specifically to improve indoor air quality, making it an excellent choice for allergy sufferers. Its MERV 11 rating allows it to effectively trap microscopic particles that can trigger allergies, including mold spores, pet dander, and dust mites. With the ability to filter out odors as well, this product creates a fresher living environment.
For households with pets, the filter helps to reduce fur and dander in the air, which can significantly alleviate allergy symptoms. Users can expect a noticeable difference in air quality soon after installation, leading to decreased allergy-related discomfort.

Pros and Cons of BNX TruFilter
- Pros:
- High MERV 11 rating for effective filtration of allergens
- Low airflow resistance ensures efficient operation
- Sustainably manufactured in the USA
- Easy to install and fits true to size
- Noticeable improvement in air quality within 48 hours
- Cons:
- May require frequent replacements in households with many pets
- Specific size availability may limit options for some users
Frequently Asked Questions
What is the MERV rating and why is it important?
The MERV (Minimum Efficiency Reporting Value) rating measures the effectiveness of air filters in capturing particles of varying sizes. A higher MERV rating indicates a better ability to filter out smaller particles from the air. Filters with a rating of 11, like the BNX TruFilter, are effective at capturing allergens, dust, and other microscopic particles without significantly restricting airflow, making them suitable for residential use.
How often should I replace my air filter?
Typically, air filters should be replaced every 1 to 3 months, depending on factors such as air quality, the presence of pets, and how often the HVAC system is used. In households with pets or higher dust levels, more frequent replacements may be necessary to maintain optimal air quality.
Is this product suitable for households with pets?
Yes, the BNX TruFilter is especially suitable for households with pets. Its design and MERV 11 rating enable it to effectively capture pet dander, fur, and odors, which can significantly improve indoor air quality and reduce allergy symptoms for residents.
What sizes are available for this air filter?
The BNX TruFilter is available in various sizes, including the 20x20x1 size featured here. It’s important to check the specific dimensions of your HVAC system or air conditioning unit to ensure you choose the correct size for proper fit and performance.