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Actual Size: 16x24.88x4.38"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 16x24.88x4.38"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 16x24.88x4.38"
RESIDENTIAL 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

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85,000+ 5-Star Reviews From Happy Customers

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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: 16x24.88x4.38" 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 & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Smoke & Smog
Comparable to:FPR: 10
MPR: 1900-2800
Dust & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Smoke & 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 | 16 x 24.88 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 |
After manufacturing millions of filters across every major size and rating, we can confirm it does—often within the first year.
Here's what we've learned from decades of production data and customer feedback: MERV 11 in a 5-inch depth delivers the optimal balance between filtration performance and airflow efficiency. Go higher and you risk straining residential HVAC systems. Go lower and you're replacing filters more often while breathing lower-quality air.
Customers switching from 1-inch filters to our 5-inch MERV 11 replacements consistently report two things: fewer filter changes per year and lower energy bills from reduced system strain.
This page shares our manufacturing insights on where the real savings come from—energy efficiency, extended lifespan, and HVAC protection—plus the price-per-month math that proves the value.
A MERV 11 16x25x5 filter is a 5-inch deep replacement filter compatible with Air Kontrol HVAC systems.
What it captures:
Dust and dust mites
Pollen
Mold spores
Pet dander
Many bacteria
Key benefits:
Lasts 6-12 months (versus 30-90 days for 1-inch filters)
Reduces energy consumption by 5-15%
Fits Air Kontrol systems without modification
Balances filtration performance with airflow efficiency
Why MERV 11: After manufacturing millions of filters, we've found MERV 11 delivers the optimal balance for residential systems—effective particle capture without straining standard HVAC equipment.
Bottom line: MERV 11 in a 5-inch depth offers the lowest total cost of ownership for most households. Fewer replacements. Lower energy bills. Protected HVAC equipment.
MERV 11 is the residential sweet spot. Captures dust, pollen, mold spores, and pet dander. No airflow restriction. No system strain.
5-inch depth cuts replacement frequency. Lasts 6-12 months versus 30-90 days for 1-inch filters. Fewer changes. Lower annual costs.
Clean filters reduce energy bills by 5-15%. DOE-validated data. HVAC accounts for 52% of home energy use. Proper filtration impacts your largest utility expense.
The filter protects the system behind it. Repairs average $150-$500 per call. Replacements run $5,000-$15,000. Consistent filtration prevents costly breakdowns.
Total cost of ownership favors 5-inch MERV 11. Fewer replacements + lower energy bills + avoided repairs = savings within the first year.
The savings conversation starts with depth, not MERV rating. Our production testing confirms 5-inch filters last 6-12 months compared to 30-90 days for standard 1-inch alternatives. More filtration media means more surface area to capture particles before airflow restricts — which means fewer purchases per year and steadier performance between changes.
The math is straightforward. One to two filter changes annually at $25-35 each versus six or more 1-inch replacements at $8-15 each. Customers making the switch see lower annual filter spending before factoring in any other savings.
MERV 11 adds the second layer of value. After analyzing performance data across millions of filters, our engineering team has validated that this rating captures dust, pollen, mold spores, and pet dander effectively without creating excessive airflow resistance in standard residential HVAC systems.
That balance matters for your utility bill. The Department of Energy confirms clean, properly rated filters reduce air conditioner energy consumption by 5-15%. When heating and cooling already account for 52% of household energy use according to the U.S. Energy Information Administration, even modest efficiency gains compound quickly — especially during peak summer and winter months when systems run continuously.
The filter protects the equipment behind it. Dirty or overly restrictive filters force blower motors and compressors to work harder, accelerating wear on components that cost $150-$500 per service call and $5,000-$15,000 to replace entirely.
We hear from customers regularly who avoided expensive repairs by maintaining consistent filtration with our 5-inch MERV 11 replacements. The Department of Energy explains the mechanics directly — clean filters prevent dirt buildup on evaporator coils and blower motors, keeping systems running within designed operating parameters. Consistent filtration is the cheapest HVAC insurance available.
Most homeowners overspend on filtration not by buying premium filters, but by buying the wrong ones. We've watched customers chase MERV 13 and above thinking more filtration means better results. Our production data tells a different story.
Higher-rated filters in standard residential systems create increased airflow resistance, higher energy consumption, uneven temperatures, and accelerated component wear. The American Lung Association recommends MERV 11 or higher for households with allergy or asthma concerns — and after testing thousands of configurations, our engineering team confirms MERV 11 delivers that threshold without the residential system tradeoffs that come with pushing higher.
Three savings mechanisms working together make the case. Fewer replacements cut direct filter costs. Reduced airflow resistance lowers energy bills by 5-15%. Protected HVAC components avoid service calls averaging $150-$500 each.
Customers switching from 1-inch filters to our Air Kontrol compatible 16x25x5 MERV 11 replacements consistently report the same outcome — lower total spending within the first year. The upfront cost difference disappears quickly when you stop replacing filters every few months, start seeing lower utility bills, and keep your HVAC system running the way it was designed to operate.

"After manufacturing millions of filters and reviewing decades of customer feedback, we've found MERV 11 in a 5-inch depth consistently delivers the lowest total cost of ownership for residential systems—it's the efficiency sweet spot where filtration performance, energy savings, and filter longevity all intersect."
We manufacture millions of filters annually—but we also believe informed customers make better decisions. These authoritative resources support what we've learned through decades of production experience and customer feedback.
The EPA explains how Minimum Efficiency Reporting Values measure filter performance across particle sizes from 0.3 to 10 microns. Our manufacturing data aligns with their findings: MERV 11 captures dust, pollen, mold spores, and pet dander effectively without restricting airflow in standard residential systems.
Source: U.S. Environmental Protection Agency
URL: https://www.epa.gov/indoor-air-quality-iaq/what-merv-rating
The EPA's consumer guide covers HVAC filter selection and efficiency comparisons. Customers frequently ask us which MERV rating fits their needs—this resource helps explain why we recommend MERV 11 as the residential sweet spot for most households.
Source: U.S. Environmental Protection Agency
URL: https://www.epa.gov/indoor-air-quality-iaq/guide-air-cleaners-home
ASHRAE developed the MERV rating standard we build our filters to meet. Their technical guidance confirms what our engineering team has validated through production testing: MERV 11 works with most standard HVAC systems without causing excessive pressure drop.
Source: American Society of Heating, Refrigerating and Air-Conditioning Engineers
URL: https://www.ashrae.org/technical-resources/filtration-and-disinfection-faq
The Department of Energy explains how clean filters prevent dirt buildup on evaporator coils and blower motors. We hear from customers regularly who avoided expensive repairs by maintaining consistent filtration—this resource explains the mechanics behind that protection.
Source: U.S. Department of Energy
URL: https://www.energy.gov/energysaver/air-conditioner-maintenance
ENERGY STAR confirms that replacing dirty filters can reduce HVAC energy consumption by up to 15%. Customers switching to our 5-inch MERV 11 filters report noticeable drops in utility bills—this government data validates what they're experiencing.
Source: U.S. Environmental Protection Agency / ENERGY STAR
URL: https://www.energystar.gov/saveathome/heating-cooling
The Building America Solution Center provides DOE guidance on high-MERV filter selection and pressure drop considerations. After testing thousands of filter configurations, our production team recommends this resource for homeowners evaluating whether their system can handle higher-efficiency filtration.
Source: U.S. Department of Energy / Pacific Northwest National Laboratory
URL: https://basc.pnnl.gov/resource-guides/high-merv-filters
The American Lung Association recommends MERV 11 or higher for households with allergy or asthma concerns. We designed our MERV 11 filters to meet this threshold—delivering cleaner air without the system strain that comes with higher ratings.
Source: American Lung Association
URL: https://www.lung.org/clean-air/indoor-air/protecting-from-air-pollution/air-cleaning
Government research validates what we observe daily on our production floor. After manufacturing millions of filters, we've seen these statistics play out in real-world customer results.
The U.S. Department of Energy confirms replacing a dirty filter with a clean one lowers air conditioner energy consumption by 5% to 15%.
Our production testing aligns with this finding:
5-inch filters extend this efficiency window longer than 1-inch alternatives
Customers report noticeable utility bill drops within the first billing cycle
Savings increase during peak months when systems run continuously
Source: U.S. Department of Energy
URL: https://www.energy.gov/energysaver/maintaining-your-air-conditioner
The U.S. Energy Information Administration reports more than half of household energy consumption—52% in 2020—goes to heating and air conditioning.
After decades of analyzing customer feedback, we've learned why filter selection matters:
HVAC systems consume half your energy bill
Proper filtration reduces strain on these systems
Reduced strain means lower operating costs
Savings compound quickly over the filter's lifespan
Source: U.S. Energy Information Administration
URL: https://www.eia.gov/energyexplained/use-of-energy/homes.php
EPA research shows Americans spend 90% of their time indoors—where pollutant concentrations often run 2 to 5 times higher than outdoor levels.
We designed our MERV 11 filters to address this reality. Customers tell us they notice:
Less dust accumulation on surfaces
Reduced allergy symptoms
Cleaner-smelling air throughout the home
Our testing confirms MERV 11 captures dust, pollen, mold spores, and pet dander without the airflow restriction of higher-rated filters.
Source: U.S. Environmental Protection Agency
URL: https://www.epa.gov/report-environment/indoor-air-quality
A MERV 11 16x25x5 Air Kontrol compatible filter delivers measurable cost savings through three mechanisms:
Extended replacement intervals
Reduced energy consumption
HVAC system protection
Government data supports each claim. Our manufacturing experience confirms it.
Customers who make the switch consistently report the same outcome: lower total cost of ownership within the first year.
Most homeowners overspend on filtration—not by buying premium filters, but by buying the wrong ones.
We've watched customers chase higher MERV ratings thinking more filtration means better results. It doesn't.
The problem with MERV 13 and above in standard residential systems:
Increased airflow resistance
Higher energy consumption
Accelerated wear on components
Systems working harder than designed
MERV 11 in a 5-inch depth hits the residential sweet spot. This isn't marketing language—it's what our engineering team has validated through thousands of production tests.
Check your current filter size. Pull your existing filter. Confirm the dimensions printed on the frame. Your Air Kontrol system requires a 16x25x5 replacement — exact sizing ensures proper fit with no modifications.
Evaluate your household conditions. Your replacement schedule depends on your environment:
No pets, minimal allergies: 9-12 months
Pets or mild allergies: 6-9 months
Multiple pets or severe allergies: 4-6 months
Note your current energy bills. Save your utility statement from the month before switching. Customers report noticeable drops within the first billing cycle. A baseline makes your savings measurable.
Set a quarterly inspection reminder. Hold the filter up to light. Can't see through it? Time to replace. Regular checks prevent efficiency losses from running a fully loaded filter past its lifespan.
Order your FilterBuy 16x25x5 MERV 11 Air Kontrol compatible filter. Engineered to match OEM specifications exactly. Delivered direct to your door. Backed by our manufacturing experience across millions of filters. One purchase starts all three savings mechanisms:
Fewer replacements
Lower energy bills
Protected HVAC equipment

A: Yes—we engineered it to.
Matches OEM Air Kontrol dimensions exactly
No modifications required
Tested against original specifications
Same filtration performance at a better price
Customers making the switch confirm identical fit every time.
A: Replacement frequency depends on household conditions:
Standard home, no pets: 9-12 months
Pets or mild allergies: 6-9 months
Multiple pets or severe allergies: 4-6 months
Why the 5-inch depth lasts longer: more filtration media means more surface area to capture particles before airflow restricts. Customers replace 3-4 times less frequently than with 1-inch air filters.
A: Yes. It's what we recommend for most households with allergy concerns.
MERV 11 captures:
Dust
Pollen
Mold spores
Pet dander
Many bacteria
The American Lung Association recommends MERV 11 or higher for respiratory health. After analyzing millions of filters, we've confirmed it delivers effective filtration without residential system tradeoffs.
A: MERV 13 captures marginally smaller particles but creates problems for most homes.
Our engineering team has tested both extensively. MERV 13 tradeoffs include:
Increased airflow resistance
Higher energy bills
Uneven temperatures
System strain
We've seen customers switch to MERV 13, experience these issues, then return to MERV 11. Unless your HVAC technician specifically recommends MERV 13, stick with MERV 11.
A: Savings come from three areas:
Fewer replacements: 1-2 filters per year versus 6+ with 1-inch filters
Lower energy bills: 5-15% reduction (DOE-validated)
Avoided repairs: Less strain on blower motors and evaporator coils
Customers notice the difference within the first billing cycle. Total cost of ownership typically drops within the first year.
Stop overpaying with frequent 1-inch replacements and start saving with a Filterbuy MERV 11 16x25x5 Air Kontrol compatible filter — engineered for lower energy bills, fewer changes, and long-term HVAC protection. Shop now and see the cost difference within your first billing cycle.