Filtrete 20x25x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air

The Filtrete 20x20x1 MERV 11 air filter does an amazing job improving air quality in our home. It fits perfectly, is easy to install, and really helps trap dust, allergens, and other particles. I’ve noticed less dust and cleaner air since using these. The quality is outstanding, and the 3-month lifespan makes it very convenient. Reliable performance at a great price. I’ll definitely continue purchasing these! Read more

I was not looking to spend a lot on air filters, but after having an HVAC company come out and tell me I needed replacements, I ordered these specifically to fit the spot my system required. So far, they have been holding up really well. The quality feels solid for the price point, and I have noticed a difference in air quality in my home since installing them. They fit properly, stay in place, and are doing exactly what they are supposed to do. I also really like that they come in a two-pack, which makes the value even better. For the price, I am very impressed with the performance and would absolutely order these again. I may even set this up on auto-ship because the quality for the cost is excellent. Overall, these totally did the job and were a great find. Read more

I have been faithfully ordering this product for the past few years and it works wonders in my furnace. Easy to install and they work great. I noticed cleaner air and less dust almost right away. The quality feels solid, they fit perfectly, and last longer than other brands I’ve tried. Great value for the price — I’ll definitely keep using Filtret. Read more

These Filtrete air filters are excellent. The build quality is solid, and the frame holds its shape perfectly during installation — no bending or collapsing like cheaper ones. The MERV 11 rating makes a big difference in capturing dust, pollen, and pet dander; I can definitely tell the air feels cleaner, and there’s less dust settling around the vents. They fit snugly in my HVAC system, and airflow remains strong — no drop in performance. I change mine every 2–3 months, and the used filter always shows how much it’s caught, which proves it’s doing its job. Pro tip: write the install date on the edge with a marker — makes it easy to track replacement cycles. If you have allergies or pets, these are absolutely worth the upgrade from basic filters. Reliable, effective, and great value for the air quality improvement. Read more

I’ve been using the Filtrete 20x20x1 HVAC Furnace Air Filter MPR 1000 MERV 11 in my home’s HVAC system for several months now, and it’s been a reliable way to improve indoor air quality without any hassle. This 1-inch pleated filter is rated MERV 11 with a 1000 MPR, meaning it’s designed to capture a wide range of particles — from household dust and lint to pollen, pet dander, smoke, and smog — while still letting air flow through effectively. Installation was easy since it fits standard 20×20 filter slots in both my furnace and air conditioner. I’ve noticed a noticeable reduction in dust and airborne allergens when the system is running, which feels like a real benefit during allergy season. The filter’s pleated electrostatic design seems to do a better job than the basic flat panel filters I used before. The manufacturer recommends changing the filter every ~90 days for optimal performance, and I’ve stuck to that schedule — especially since a clogged filter can make your system work harder and even impact energy costs. A couple of minor notes: filters with higher MERV ratings can sometimes restrict airflow more than simpler ones, so it’s worth checking your HVAC specs to make sure MERV 11 is a good fit. But in my experience, performance and airflow haven’t been an issue. Bottom line: This filter offers good allergen and particle capture at a reasonable price. It’s not top-tier hospital-grade filtration, but for everyday home use — especially with pets or during high-pollen seasons — it’s a solid choice that keeps the air feeling cleaner. Read more