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Actual Size: 15.75x24.75x4.38"
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Change Every 3 Months
Actual Size: 15.75x24.75x4.38"
Free Delivery Factory-Direct Low Prices, Made in the USAHassle-Free Returns & Free ExchangesRESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
Actual Size: 15.75x24.75x4.38"
Free Delivery Factory-Direct Low Prices, Made in the USAHassle-Free Returns & Free ExchangesRESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
At Filterbuy, we don't cut corners—we craft high-quality air filters right here in the USA and ship them to your doorstep for free. No delays, no gimmicks—just clean air, made easy. With thousands of five-star reviews and filters built for real life & every HVAC system, it's no wonder why over 4 million families trust Filterbuy.
Proudly Made In The USA
Fast, Free Shipping on Every Order
Premium Materials That Go The Distance
85,000+ 5-Star Reviews From Happy Customers
Save Up to 70% Per Filter with Packs
Measure length × width × depth with a tape measure to find the actual size.
Round up each dimension to the nearest whole number to get the nominal size. Example: 15.75x24.75x4.38" in → 16x25x5 nominal.
Search by nominal size on our site for the best fit.
5″ filters give you maximum filtration with minimal maintenance — lasting up to 12 months while handling higher MERV ratings without restricting airflow.
Sizing note:
If the filter you buy doesn't fit, we'll send you a better size.
MERV stands for Minimum Efficiency Reporting Value—but don't let the technical name fool you. It's just a way to rate how well an air filter traps stuff like dust, pollen, pet dander, and smoke. The higher the MERV number, the more particles it catches—and the cleaner your air will be.
Comparable to:FPR: 4-7
MPR: 600-1000
Dust & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Comparable to:FPR: 6-9
MPR: 1200-1550
Dust & DebrisDust Mites & ParticlesPollenMoldLintDander
Smoke & Smog
Comparable to:FPR: 10
MPR: 1900-2800
Dust & DebrisDust Mites & ParticlesPollenMoldLintDanderSmoke & Smog
Bacteria
We build every Filterbuy filter to deliver reliable 90-day performance—thanks to smart design and premium materials that do the heavy lifting. Here's what makes the difference:
More pleats = more surface area to capture dust and debris, keeping your air cleaner longer.
Pleats are magnetized to attract and trap microscopic particles—like pet dander, pollen, and smoke.
Engineered to resist warping in extreme temperatures and high humidity.
A layer of metal reinforcement keeps pleats evenly spaced and structurally sound—no sagging, even at high airflow.
Assembled with care. Built to perform. Ships fast, free, and reliably from our U.S. facilities.
Turn Off Your HVAC SystemSafety first.
Remove The Old FilterLook for the airflow arrow and make note of the direction.
Slide In Your New FilterArrow should point toward the system (same direction as before).
Turn Your System Back OnAnd enjoy the fresh, clean air.
Not all air filters are created equal. Pleated filters don't just last longer—they actually clean your air better. Here's how they stack up:
Efficiency:
High (MERV 8–13) – Traps more particles
Lifespan:
90 days – Long-lasting performance
Air Quality:
Excellent – Cleaner, healthier air
Materials:
Recyclable and durable
Efficiency:
Low (MERV 4 or less) – Misses small stuff
Lifespan:
30 days or less – Replace often
Air Quality:
Minimal – Basic protection only
Materials:
Thin, flimsy, and not recyclable
Pleated filters are a no-brainer—more protection, less hassle, and better air for your home.
Changing your filter on time keeps your HVAC system running efficiently—and helps protect your lungs from dust, allergens, and airborne irritants. Here's how often to swap it out based on your needs:
For most homes without pets or special air quality concerns. Great for general upkeep and energy efficiency.
Shedding fur, dander, and allergy triggers can build up fast. Changing your filter every two months helps keep the air fresher and symptoms at bay.
For households affected by smoke, pollution, or respiratory conditions, monthly changes ensure maximum protection.
| Nominal Size | 16 x 25 x 5 inches |
| Actual Size | 15.75 x 24.75 x 4.38" inches |
| Filter Type | Pleated |
| Media | Electrostatically Charged |
| Frame | Beverage Board |
| MERV Ratings Available | 8, 11, 13 |
| Lifespan | Up to 12 Months |
| Origin | Made in USA |
Looking to improve your air filtration? Filterbuy Honeywell 16x25x5 MERV 11 replacement filters improve indoor air quality by airborne pollutants. They also help lower energy costs and utility bills. Made to last, they require fewer replacements over time.
But what makes these filters stand out? Let’s dive in.
Significantly improving indoor air quality, Filterbuy Honeywell 16x25x5 MERV 11 Replacement Filters trap small pollutants.
Dust mites, pollen, and mold spores; elements are effectively captured, offering superior allergen protection.
Durability and energy efficiency characterize these Honeywell 16x25x5 replacement filters, leading to cost savings with less frequent replacements.
Filter changes and maintenance ensures optimal performance and a long lifespan for these filters.
Breathing clean indoor air makes your home healthier.
A lot of homeowners prefer MERV 11 filters. It’s because of their superior filtration and balanced airflow. This rating shows how well a filter catches tiny pollutants.
Filterbuy Replacement Honeywell 16x25x5 MERV 11 filters trap tiny particles as small as 1.0 to 3.0 microns. This covers mold, dust mites, and pollen. They provide advanced filtration without blocking airflow. This makes them a reliable choice for many homes.
For reference, Filterbuy Honeywell Replacement 16x25x5 MERV 8 air filters capture larger particles like dust and lint. Also, Filterbuy Honeywell Replacement 16x25x5 MERV 13 air filters trap even smaller contaminants such as bacteria and smoke.
Choosing the correct filter depends on your HVAC unit and air quality needs. Consulting a professional helps ensure the best option for cleaner, healthier air.
Filterbuy replacement filters like the Honeywell 16x25x5 pleated filter offer a reliable solution for purifying the air. They also enhance HVAC efficiency and lifespan.
Better Air Quality – Captures dust, pollen and other irritants. They reduce allergens and improve comfort, especially during allergy season.
Energy Savings – Keeps HVAC clean and efficient. They reduce strain and lower energy bills.
Long-Lasting Performance – Made from durable materials. They require fewer filter replacements for easy maintenance.
With these benefits, Honeywell 16x25x5 replacement filters from Filterbuy provide a cost-effective way to maintain a cleaner, healthier home.
Proper replacement of Filterbuy 5-inch filters like the Honeywell 16x25x5 replacement filter is rather easy. Follow these steps for a seamless replacement:
Turn Off the HVAC System – Prevent the fan from pulling in the filter prematurely by switching off the system.
Remove the Old Filter – Take out the used filter and locate the airflow direction arrow on the frame.
Align and Insert the New Filter – Ensure the arrow on the new filter matches the airflow direction for proper functionality.
Check for a Secure Fit – A snug fit is essential to prevent unfiltered air from bypassing the filter. If loose, confirm the correct filter size.
Maintain System Cleanliness – Regularly clean around HVAC to avoid dust buildup and extend filter life.
With these steps and regular maintenance, your new filter maintains cleaner air and a more efficient HVAC.
Good air quality needs more than the right filter. Regular maintenance is important, as is checking your air filter to keep your home clean.
Follow these three vital steps:
Inspect Your Filter – If dust and debris accumulate, replace the filter.
Replace Filters as Needed – Every 90 days, but more often for homes with allergies or pets.
Use High Quality Filters – Filterbuy Honeywell 16x25x5 MERV 11 replacement filters effectively trap particles. This promotes cleaner air.
Proper care enhances your Filterbuy Replacement Honeywell 16x25x5 air filter's performance and lifespan.
For frequent use, change filter every 3-4 months. Clean filters work better. Regular monthly vacuuming helps remove dust and particles. But avoid water cleaning, which can damage the filter. If air quality drops or allergies worsen, replace the filter.
Upgrade your home's air quality with Filterbuy.
Long Lasting: Filterbuy filters last up to 90 days. It’s 3x longer than standard filters. Replace more often in homes with pets, kids or allergies.
Protect Your Health: Filterbuy keeps your home's air clean from bacteria, dust, mold and more. It helps allergy and asthma sufferers feel better.
Easy Filter Change: Align the filter's airflow arrow with the airflow direction in your furnace or central air return ducts.
Fast and Free Shipping: Since 2013, our US-based manufacturing and distribution network has quickly fulfilled custom orders nationwide for homes and businesses.
Filterbuy's commitment to quality and US-based operations, combined with fast and free shipping, makes it a top choice for all your air filtration needs.
No. A MERV 11 filter is a good choice for homes. It captures dust, pollen, mold spores, and pet dander. It balances cost, filtration, and airflow efficiency.
Yes. MERV 11 filters slightly reduce airflow. Higher MERV ratings have smaller pores, limiting airflow more. But they balance filtration and airflow, making them suitable for most homes.
Replace filter every 3 to 6 months. It depends on air quality and health needs. Homes with pets need more frequent filter changes.
A MERV 13 filter traps smaller particles better than a MERV 11 filter. It removes more particles, including viruses, bacteria, and smoke. MERV 13 filters may restrict airflow more and might not be suitable for all HVACs.
High MERV filters can block airflow in your HVAC. This makes HVAC work harder. It uses more energy and can shorten its lifespan. It's important to pick a filter that fits your unit.
Lower MERV ratings are better for airflow. MERV ratings of 6 to 8 are common in homes. They balance filtration and airflow well. For allergy relief or smoke removal, a higher MERV may work better.
Thicker air filters are not always bad for your HVAC. They can provide better filtration and last longer than thinner filters. However, not all systems can fit thicker filters. It's important to check your system's specifications before buying one.
One downside is that they can block airflow. It makes your HVAC work harder. This leads to higher energy bills and may shorten the lifespan of your unit. It's important to choose a MERV rating that fits your needs and works with your system.
Yes, a MERV 11 filter is good at capturing mold spores. It also traps dust, pollen, pet dander, and other allergens, making it a great choice for improving indoor air quality.
Replace your HVAC filter if performance drops or looks dirty. Disposable filters turn from white to gray when it's time to replace them. Regular checks and changes keep your system running well.
A 5-inch furnace filter can be a good investment for your HVAC system. Thicker filters last longer, provide better filtration, and need less frequent changing. However, make sure your system can fit this size before purchasing.
Yes, a MERV 11 filter can remove smoke particles. For better smoke removal, especially from wildfires or tobacco, a higher MERV rating, like MERV 13, may be more effective.
