Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 19.88 x 24.63 x 4.31)

The Filtrete 20x25x4 AC Furnace Air Filter is an excellent choice for anyone looking to improve the air quality in their home while ensuring their HVAC system runs efficiently. This air filter not only provides superior filtration but also lasts longer than many standard filters, making it a smart investment. One of the standout features is its impressive ability to capture particles. With a high MERV rating, the Filtrete filter traps dust, pollen, mold spores, pet dander, and even smaller particles like smoke and viruses. After just a short time of use, I noticed a significant improvement in the air quality throughout my home—less dust on surfaces and fewer allergy symptoms, especially for those with sensitivities. Installation is straightforward and easy, fitting snugly into the furnace or AC system without any hassle. The filter’s 4-inch thickness means it has more surface area to capture particles, which also allows for a longer life compared to thinner filters. This means fewer replacements and more time between filter changes, saving both time and money. Another key benefit is that this filter helps maintain the efficiency of your HVAC system by allowing proper airflow while still providing excellent filtration. This is crucial for preventing strain on your system, which can lead to costly repairs down the line. Overall, the Filtrete 20x25x4 AC Furnace Air Filter is a high-quality, reliable air filter that does a fantastic job of keeping your air clean and your HVAC system running smoothly. It’s perfect for homes with pets, allergies, or anyone who wants to breathe cleaner air. Highly recommended!

I have purchased these several times; the quality is excellent, and they clean the air as expected and protect the furnace. My HVAC company used the same brand but charges me more than I paid on Amazon, so I love the savings. They fit perfectly in an old Envirocare filter housing, slide in and out easily, and create no noise or airflow issues.

I recently purchased the Filtrete 20x25x4 Air Filter set, and it has been a game-changer for the air quality in my home. As someone who is sensitive to allergens and dust, finding an effective air filter is crucial, and this product has met all my expectations. Firstly, the packaging and quantity are ideal. The 4-pack ensures I have enough filters for an entire year, as each one lasts for about 12 months. This is incredibly convenient and saves me the hassle of frequent replacements. The actual size of the filters, 19.88 x 24.63 x 4.31 inches, is slightly different from the nominal size, but they fit perfectly in my furnace. It's important to check the exact dimensions before purchasing to ensure a proper fit. The performance of these filters is outstanding. They're designed with Filtrete's exclusive 3-in-1 technology, which effectively pulls in and traps unwanted particles. I've noticed a significant reduction in dust and allergens in my home since I started using them. The air feels cleaner and fresher, which has been beneficial for my allergies. The MPR 1000 and MERV 11 rating of the filters mean they capture a wide range of microparticles, from dust to pollen and other allergens. This feature is particularly important for anyone looking to improve their indoor air quality. I appreciate the versatility of these filters. They are compatible with various furnace models, including Honeywell and Lennox, which is great for people with different systems in their homes. The option to subscribe and save is a nice touch. Being able to set up a delivery schedule and save money on orders makes the process even more convenient and cost-effective.

These are a must. High quality and cost effective. I have purchased these several times and will not go to a big box store for them anymore.

Nice filters. Individually wrapped but they are still very fragile without any added package protection. Box arrived slightly damaged and one of the four filters nearest the box damage was warped and I think unusable. The other three are perfect. Will need to ask for a partial replacement or partial refund.

These are a little pricey, but i've watched and got em at a good price every once in a while.They work well

This brand of filter is well respected my my HVAC provider. They work well and are easy to use. They do a very good job of filtering my air in my home. They are also sturdy and easy to replace the old ones with new.

These are great, we'll made filters reasonably priced

Great filters, good price

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as advertised

Good price when you buy in set of 4. 3M is better warranty for the house filters

Excellent Value.