









🛡️ Elevate your air game — because your home deserves the best defense!
The BNX TruFilter 20x20x1 MERV 13 (4-Pack) is a premium electrostatic pleated air filter designed for HVAC systems, delivering superior filtration by capturing 93% of microscopic particles including pollen, mold, bacteria, and smoke. Made sustainably in the USA with a durable recycled cardboard frame, it balances high-efficiency particle capture with low airflow resistance to maintain HVAC performance. Certified by EPA and UL, this filter offers a noticeable improvement in indoor air quality within days, making it a trusted choice for health-conscious professionals.























| ASIN | B09XC3RQ3J |
| Best Sellers Rank | #14 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1 in Air Conditioner Replacement Filters |
| Brand | BNX |
| Customer Reviews | 4.6 4.6 out of 5 stars (19,593) |
| Date First Available | April 6, 2022 |
| Item Weight | 1.6 pounds |
| Item model number | BNX-M13-20x20x1-4P |
| Manufacturer | BNX Converting LLC |
| Manufacturer Part Number | BN-M13S-20x20x1-4PP |
| Product Dimensions | 19.68 x 19.68 x 0.75 inches |
B**O
Good quality with reasonable cost
This is a high-quality air filter with reasonable cost that really prevents all types of dust in my household. I have consistently renewed my purchase of this product each year.
S**S
Superior Air Filtration That Noticeably Improves Indoor Air Quality
After struggling with seasonal allergies and indoor air quality issues for years, discovering the BNX TruFilter MERV 13 air filters has been transformative for my home environment. These American-made filters have genuinely improved my quality of life, and I notice a significant difference in how I feel when I'm at home compared to before using them. The MERV 13 rating is the perfect balance of filtration efficiency and airflow. These filters capture an impressive range of airborne particles including pollen, mold spores, pet dander, dust mites, and even some bacteria and viruses. Since installing them in my HVAC system, I've experienced a dramatic reduction in allergy symptoms, fewer dust accumulations on furniture, and an overall fresher feeling to the air throughout my house. The difference is noticeable within just days of installation. The electrostatic pleating technology is what sets these filters apart from standard options. The pleated design dramatically increases the surface area available for filtration compared to flat filters, which means better particle capture without restricting airflow through your HVAC system. My heating and cooling system runs just as efficiently with these MERV 13 filters as it did with the basic filters I used previously, which was a concern I had before making the upgrade. The American manufacturing is a quality indicator I genuinely appreciate. These filters are consistently well-constructed with sturdy frames that don't bend or collapse during installation or use. The pleats are evenly spaced and properly secured, and the filters maintain their shape and effectiveness throughout their entire service life. I've used cheaper imported filters that would arrive damaged or fall apart within weeks, but these BNX filters are built to last. The six-pack quantity provides excellent value and convenience. Having multiple filters on hand means I can maintain a regular replacement schedule without needing to remember to reorder constantly. I mark my calendar to change filters every three months, and having the supply ready eliminates any excuse for延迟ing this important maintenance task.
M**S
Great quality
Perfect fit and reasonably priced
E**!
Get it Use it, NO problems.
These filters have helped in a few ways for us; first of all it's reduced the burden on the HVAC system so it runs clean (less going up to the HVAC filter so it lasts longer), secondly it's reduced the overall dust collection on a furniture in the house and finally I've noticed less build up in my breathing machine (less throat irritation overnight). You just can't go wrong by using high quality high Merv filters in all your systems of your home. One filter helps another, so the end result is savings on equipment less housework and especially easier breathing. And we have animals so that's really important to be able to get that type of filtering throughout the house. Make sure to exchange them out frequently, 60 days is our set cycle. Get it, use it and forget about problems.
C**S
Great for the price
Cheap and works well
D**K
Very good filtration
I did some review on air filters and found that this one to be the better of them all I replaced my current one and found this air filter. Definitely works a little better about the dust particles.
K**K
Easy to install and quality item
Honeywell furnace and fits great
K**N
Really good price
Our Trane gas furnace is from 2018, and we just had to have service on it. The 'motherboard' and the igniter had to be replaced. It was our municipal company that fixed it for us, and they asked me how often do we change the filter. I said once a year, since we only really use the heat in the winter, from around October until maybe April. They said we should probably change it every three months since we have five high-shedding dogs. I found these 'Made in the USA' filters (which we like buying USA), and they are much lower in cost than in our local big-box store, and they are a higher rating that what we usually get. These four cost about as much as one from our store. These will last us through Fall of 2027 (one we just put in after the repair in January 2026, one next October 2026, and January 2027 and the last one in October 2027). Yeah, we're happy!
S**M
I tried these in my work furnace. I do notice that there is a lot more dust on the furniture than there was with the previous filters. So not the greatest in my book.
K**N
I was surprised to see that the filters are encased in cardboard. For these reason I cannot use it as I needed a more solid frame construction and not something that could get damp and warp/mold
D**A
love having this, i find i take longer to change filter since switching to this. will be buying again
R**I
Goods arrived damaged - will not fit on slot.
P**Z
Ideal p hacer un filtro de ambiente casero
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