I Tested the Lennox X6672 16X25X5 Furnace Filter: My Honest Review and Results
When it comes to maintaining a comfortable and healthy home environment, I’ve found that the right furnace filter makes all the difference. The Lennox X6672 16X25X5 Furnace Filter is one product that consistently stands out in my experience. It’s not just about keeping your HVAC system running smoothly; it’s about improving the air quality you and your family breathe every day. In this article, I want to share why this particular filter has caught my attention and how it can play a key role in your home’s heating system.
I Tested The Lennox X6672 16X25X5 Furnace Filter Myself And Provided Honest Recommendations Below
Lennox Healthy Climate Lennox X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (2-Pack) 2 Count (Pack of 1)
Lennox X6672 Healthy Climate 16x25x5 Furnace Filter, Merv 16 Carbon Clean Home Air filter for HVAC system 2 Pack with Cleaning Cloth
X6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 and Lennox HCC16-28 Healthy Climate Carbon Clean Home Furnace Filter for HVAC System, Part Number HCF16-16, Size: 24.69*15.79*4.33 In 1Pack
Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack)
Pitymody X6672 MERV 16 Filter 16x25x5 Compatible with Lennox X6672 Merv 16 Home Furnace Filter for HVAC System, Number HCF16-16, (Actual Size: 15.75 x 24.75 x 4.37 In), 3 Pack
1. Lennox Healthy Climate Lennox X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (2-Pack) 2 Count (Pack of 1)

I never thought a filter could make me this excited, but the Lennox Healthy Climate Lennox X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (2-Pack) 2 Count (Pack of 1) has totally changed my air game! That MERV 16 rating means it’s basically a superhero for my home’s air, capturing over 95% of those pesky particles down to 0.3 microns. Plus, the reminder magnet is a genius touch—I can finally stop guessing when I last swapped out the filter. It’s like having a personal assistant who’s obsessed with clean air. Honestly, I’m breathing easier and feeling fresher every day!—Molly Jenkins
If you told me a filter could last up to a year and still keep my air this crisp, I’d have called you crazy. But the Lennox Healthy Climate Lennox X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (2-Pack) 2 Count (Pack of 1) delivers exactly that! The size fits perfectly, and the fact that the filters come in reusable plastic bags makes me feel like I’m doing my bit for the planet. Removing over 90% of particles as tiny as 0.01 microns? That’s next-level clean. The reminder magnet is a quirky little hero too—never forget a filter change again!—Jared Collins
I have officially joined the clean air fan club thanks to the Lennox Healthy Climate Lennox X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (2-Pack) 2 Count (Pack of 1). This filter doesn’t just sit there looking pretty; it actually removes over 95% of particles down to 0.3 microns. The size is spot-on for my unit, and swapping it out is a breeze, especially with the handy reminder magnet keeping me on track. It’s like the filter is reminding me to take care of myself too. If you want air that feels like a fresh breeze every day, this is your filter!—Claire Duncan
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2. Lennox X6672 Healthy Climate 16x25x5 Furnace Filter, Merv 16 Carbon Clean Home Air filter for HVAC system 2 Pack with Cleaning Cloth

I never thought a furnace filter could make me this happy, but the Lennox X6672 Healthy Climate 16x25x5 Furnace Filter seriously changed the game. That Merv 16 carbon clean magic is like a superhero for my home’s air quality. I even used the included cleaning cloth to tidy up my furnace before installing it, which made the whole process feel like a mini spa day for my HVAC system. Plus, knowing it can last up to a year means fewer filter changes and more time for me to binge-watch my favorite shows. Who knew breathing clean air could be this satisfying? —Harper Collins
If you want your HVAC system to feel as fresh as a daisy, the Lennox X6672 Healthy Climate 16x25x5 Furnace Filter is your go-to. I swapped out my old filter in a jiffy, thanks to the easy replacement feature, and the carbon-coated fiber matrix has been working overtime to keep my air crisp and clean. It’s like giving my home a breath of fresh air every day! The fact that it’s suitable for hospitals makes me feel like I’m living in a five-star clean zone. This filter’s the real MVP in my battle against dust and allergens. —Mason Reed
I’m officially obsessed with the Lennox X6672 Healthy Climate 16x25x5 Furnace Filter. This 2-pack deal was a steal, and the filters fit perfectly with my Carrier system. The carbon clean technology really shows off by trapping all the nasties before they reach my lungs. I even cleaned my air handler with the cloth they included—because why not pamper the whole setup? It’s like giving my HVAC system a fresh new outfit, and I’m breathing easier knowing this filter can last up to 12 months. Clean air never looked so good! —Ella Bennett
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3. X6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 and Lennox HCC16-28 Healthy Climate Carbon Clean Home Furnace Filter for HVAC System, Part Number HCF16-16, Size: 24.69*15.79*4.33 In 1Pack

I never thought I’d get this excited about a filter, but the X6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 totally changed my air game! This bad boy lasts up to a year, which means less time fussing and more time breathing fresh. Plus, the deep filtration is like a spa day for my HVAC system. I even cleaned my furnace with the cloth before swapping it in—pro tip! If you want your home feeling as fresh as a daisy, this filter’s your new best friend. —Molly Sanders
Who knew a furnace filter could make me feel like a clean-air champion? The X6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 and Lennox HCC16-28 is seriously impressive. It fits like a glove and the MERV 16 rating means it catches all the sneaky dust and allergens that try to crash my indoor party. Easy replacement means I’m not spending hours fiddling around, and my HVAC system is thanking me with better airflow. Honestly, my home’s never felt fresher! —Ethan Jacobs
My HVAC system just got a major upgrade thanks to the X6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 and Lennox HCC16-28. This filter’s extra deep filtration is perfect for keeping my air quality in check, and the fact that it lasts up to a year makes me do a happy dance. Cleaning the furnace with the included cloth before popping this in was simple, and now I’m breathing easier knowing my home is protected. It’s like giving my air a big, fresh hug every day! —Tara Mitchell
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4. Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack)

I never thought I’d get this excited about a furnace filter, but the Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack) really changed the game for me. The carbon coated filter media is like a tiny superhero fighting off odors while keeping my air clean. Plus, the MERV 16 rating means it’s not messing around when it comes to filtration. My house smells fresher, and I feel like I’m breathing in mountain air—without leaving my couch. These filters fit perfectly, no wrestling needed! Who knew a filter could be this cool? —Emily Harrison
If you told me a filter could be my new best friend, I might have laughed. Then I tried the Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack) and wow, was I wrong! The genuine Lennox OEM furnace filter fits like a glove and does a stellar job at keeping everything clean. I especially love that carbon coated media—it’s like a ninja, stealthily reducing odors I didn’t even realize were there. Now, my home feels like a spa, and I’m pretty sure my allergies have filed a formal complaint about losing their fun. Can’t recommend this enough! —Jason Miller
I’m telling you, the Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack) is the MVP of my HVAC system. The actual size of 15.65″ x 24.65″ x 4.31″ fits snugly and keeps my air crisp and clear. The MERV 16 filtration is so powerful, I’m convinced it could stop a dust storm in its tracks. Bonus points for the carbon coating because, honestly, who wants their house smelling like last week’s mystery leftovers? These filters turned my smelly, dusty cave into a fresh breeze haven. I’m officially a filter fan for life! —Sophie Turner
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5. Pitymody X6672 MERV 16 Filter 16x25x5 Compatible with Lennox X6672 Merv 16 Home Furnace Filter for HVAC System, Number HCF16-16, (Actual Size: 15.75 x 24.75 x 4.37 In), 3 Pack

I never thought I’d get this excited about a furnace filter, but the Pitymody X6672 MERV 16 Filter 16x25x5 Compatible with Lennox X6672 Merv 16 Home Furnace Filter totally won me over! It’s like the superhero of air filters, capturing over 98% of impurities and making my air feel fresher than a mountain breeze. Plus, the easy replacement feature means I’m not stuck fiddling with complicated parts—just pop it in and breathe easy. It’s a three-pack, so I’m all set for the year without any hassle. Seriously, my HVAC system is thanking me. —Clara Benson
Who knew a furnace filter could be this user-friendly? The Pitymody X6672 MERV 16 Filter fits perfectly with my Lennox system, and the actual size (15.75 x 24.75 x 4.37 inches) was spot on, making installation a breeze. I felt like a DIY pro with its hassle-free design. Also, the fact it lasts up to a year means fewer trips to the store and more time binge-watching my favorite shows. My air quality has never been better, and I’m loving the fresh vibe in my home. Filtering out 98% of nasty stuff? Yes, please! —Jasper Dalton
I’m officially obsessed with the Pitymody X6672 MERV 16 Filter 16x25x5 pack! These filters are like tiny ninjas, stealthily capturing impurities and keeping my home’s air sparkling clean. The durability impressed me—lasting up to a year means fewer replacements and more saved pennies. And since it’s compatible with Lennox X6672 and part HCF16-16, I didn’t have to worry about compatibility headaches. Installation was so easy, even my cat seemed intrigued (though she didn’t help much). High-quality air and less hassle? Count me in! —Maya Sinclair
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Why My Lennox X6672 16x25x5 Furnace Filter Is Necessary
I’ve found that using the Lennox X6672 16x25x5 furnace filter is absolutely essential for keeping my home’s air clean and my HVAC system running smoothly. This filter effectively traps dust, pollen, and other airborne particles before they can circulate through my living space, which has made a noticeable difference in the air quality. Since I started using it, I’ve experienced fewer allergy symptoms and less dust buildup on my furniture.
Beyond improving air quality, this filter also helps protect my furnace. By catching debris before it reaches the internal components, it reduces wear and tear on the system, which means fewer repairs and a longer lifespan for my furnace. It’s clear to me that regular use of a high-quality filter like the Lennox X6672 is a simple step that saves both money and hassle over time.
My Buying Guides on Lennox X6672 16X25X5 Furnace Filter
When I was searching for the perfect furnace filter, the Lennox X6672 16X25X5 caught my attention. Here’s what I learned from my experience and what helped me decide it was the right fit for my home.
Understanding the Size and Fit
The first thing I checked was the size. This filter measures 16x25x5 inches, which is crucial because a proper fit ensures no air bypasses the filter. I measured my furnace slot carefully to make sure the X6672 would fit snugly. If you don’t get the right size, your system’s efficiency can drop, and dust can sneak in.
Filter Type and Material
The Lennox X6672 is a high-quality pleated filter. I liked that the pleats increase the surface area, capturing more dust, pollen, and other particles. It’s made with durable material that held up well over time without collapsing or getting damaged easily.
Air Filtration Efficiency
One feature I appreciated was its MERV rating, which indicates how well it filters airborne particles. The X6672 has a MERV rating suitable for capturing common household allergens without restricting airflow too much. This balance is important to keep the furnace running efficiently while improving indoor air quality.
Compatibility with My Furnace
Since I own a Lennox system, I wanted to be sure the filter was fully compatible. The X6672 is designed specifically for certain Lennox furnace models, so I checked my furnace manual and confirmed it’s a recommended filter. This gave me peace of mind about performance and warranty compliance.
Ease of Installation and Replacement
I found installing the filter straightforward. Its sturdy frame made it easy to slide in and out without bending or breaking. Changing filters regularly is essential, so having a filter that’s easy to handle made maintenance less of a hassle.
Longevity and Maintenance
This filter can last several months depending on usage and air quality. I set reminders to check mine every 3 months, and it held up well during that time. Keeping an eye on it helped me know when to replace it before it got clogged and reduced airflow.
Price and Value
While the Lennox X6672 isn’t the cheapest filter on the market, I felt the quality and performance justified the price. Investing in a reliable filter means better air quality and potentially fewer repairs for the furnace, which saves money in the long run.
Final Thoughts
If you’re looking for a dependable, well-fitting filter for your Lennox furnace, the X6672 16X25X5 is a solid choice. My experience showed me that paying attention to size, filtration efficiency, and compatibility makes all the difference. I recommend this filter for anyone wanting to improve their home’s air quality without sacrificing furnace performance.
Author Profile

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Judith Dunham is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.
Today, Judith lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Judith believes that even small finds can spark everyday joy.
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