16x25x1 Pure Plus | MERV 8 Air Filter
- MERV 8 filtration helps trap pet dander, dust, pollen, and lint
- Tight where it counts, so dirty air has fewer places to sneak
- Built for pet hair, dander, shedding, and everyday airborne junk
- Supertack adhesive tackifier to help fight the funk
Finding the right HVAC air filter size might not sound exciting, but it plays a major role in how well your heating and cooling system works.
A properly sized filter helps maintain balanced airflow, keeps dust and allergens out of the air you breathe, and protects your HVAC unit from unnecessary strain.
Using the wrong size can lead to poor air quality, higher energy bills, and even long-term damage to your furnace or AC system.
Whether you're replacing an old filter, shopping for a new one, or just not sure what those numbers on the side of the filter mean, this step-by-step guide will help you figure out exactly what size you need, why it matters, and how to get it right the first time.
Step 1: Locate Your HVAC Filter
Before you can find your filter size, you need to locate where your air filter is installed. Most filters are found in one of these locations:
- Furnace: If you have a central heating system, your filter is likely located inside or next to the furnace unit. Furnaces are commonly found in basements, attics, garages, or dedicated utility closets.
- Return Air Vent: Some homes have air filters placed in large return vents, often located on walls, ceilings, or hallways. These vents pull air into the HVAC system to be heated or cooled.
- Air Handler Unit: If you have a split HVAC system, your filter may be inside the air handler, which is usually in a closet or attic.
If you’re unsure where to look, ask a family member who’s familiar with your home’s heating and cooling system - or check your HVAC user manual.
Step 2: Check the Existing Filter for Size
Most standard air filters have their dimensions clearly printed on the cardboard frame. Most filters are labeled using the standard width x length x depth format (example: 16x25x1). If you’re searching online, use this number to shop for replacement HVAC filters.
This nominal size (rounded for convenience) is what you’ll use when ordering a replacement filter. However, if exact measurements are needed, you can check the actual size—which is usually slightly smaller than the nominal size.
Homeowner’s [Pro HVAC Tip]: If your filter has a size printed on it, take a photo with your phone so you don’t forget it when shopping for a replacement. You can also store it in a folder on your phone so you aren’t endlessly scrolling to find it.
Step 3: How to Measure Your Filter Slot (If No Size is Listed)
If your old filter doesn’t have any size markings, you’ll need to measure it manually. Here’s how:
- Find a tape measure. (Trust us, it makes this process a lot easier.)
- Measure the width, length, and depth of the existing filter or filter slot.
- Round your measurements to the nearest inch to determine the nominal size.
Tip: If your measurements come out as 15 ¾ x 24 ¾ x ¾ inches, the correct filter size would be 16x25x1.
Step 4: Still Not Sure? Contact Yoor Air for Help
Still confused? No worries! Send a photo of your HVAC unit and filter slot to our support team. We’ll help you identify the correct air filter size for your system. Give us a call or fill out our contact form and we’ll guide you through the process of finding the perfect furnace filter size or AC filter size for your home.
Tip: If you’re having trouble, take a picture of your HVAC unit and filter slot before calling customer support. This can help them identify the right filter for your system.
Step 5: Choose the Right Filter for Your Home
Now that you know your size, choose the best air filter for your home’s needs. Filters come in different types based on efficiency (MERV rating) and air quality needs.
- Basic Filters (MERV 1-4): Good for airflow, but not great for dust or allergens capture.
- Standard Filters (MERV 5-8): Captures common household pollutants like dust, pollen, mold spores, and pet dander.
- High-Efficiency Filters (MERV 9-12): Ideal for allergy sufferers and homes with kids or pets. Many experts agree that most home systems should not use filters above MERV 12 unless it is a HEPA rated system.
- HEPA & Ultrafine Filters (MERV 13+): High Efficiency for trapping tiny airborne particles, but may restrict airflow in some HVAC systems.
Tip: If you have allergies or pets, consider a higher-efficiency filter to trap more airborne particles and improve air quality.
When to Change Your HVAC Filter (And Why It Matters)
Even the perfect filter won’t work forever. Over time, filters become clogged with dust, pollen, pet hair, and other airborne particles, making it harder for air to pass through.
When that happens, your HVAC system has to work harder to push/pull air through, which can lead to wear and tear, higher utility bills, and poor indoor air quality.
So how do you know it’s time to swap it out? Here are a few signs your filter might be overdue:
- You notice more dust collecting around vents or on furniture
- Your system is running longer than usual to reach the same temperature
- Allergy or asthma symptoms are flaring up indoors
- It’s been over 60–90 days since your last filter change
Still unsure? A quick visual inspection can help. If the filter looks gray or dusty, it’s time for a fresh one.
How Often Should You Replace Your Filter?
If you have pets, allergies, or live in a particularly dusty area, changing your filter every one to two months is recommended. For most households with standard HVAC usage, replacing the filter every two to three months is sufficient.
If you rarely use your heating or cooling system or always have windows shut when running the systems, you may only need to replace the filter up to every six months. To stay on track, write the replacement date on the filter or set a calendar reminder every 30–60 days.
Why the Right Filter Size Is Critical
You might be thinking, “How do I know what size air filter I need?” and “What happens if I use the wrong size?” Here’s why it’s crucial to get the correct fit.
A filter that is too small leaves gaps, allowing unfiltered air to bypass the system and circulate contaminants. This small gap can decrease your filters MERV rating by up to 2 ratings. Now your cheap MERV 4 is actually a MERV 2. A filter that is too large won’t fit properly and may get crushed when installed, reducing its effectiveness or possibly collapse entirely.
Risks of the wrong filter size:
- Gaps that let dirty air bypass the filter can decrease MERV rating
- Filter gets crushed or bent during installation
- Reduced airflow = higher energy bills
- Extra strain on your system = shorter HVAC lifespan
An improperly fitted filter can also restrict airflow, forcing your HVAC system to work harder, increasing energy costs, and shortening the lifespan of the unit. Selecting the right furnace or AC filter size helps maintain proper airflow, improves indoor air quality, and ensures your system operates efficiently.
Final Air Filter Size Checklist
Before purchasing a new filter, make sure you have identified the location of your HVAC unit and filter slot or track, checked your current filter for size markings, or manually measured if no size is listed.
Be sure you know how often your filter needs to be replaced and are ready to choose a filter that best suits your home’s needs. With the right filter, you can enjoy cleaner air, a more efficient HVAC system, and a healthier home.
Found your size? Shop Yoor Air's Pure series of filters for better protection against dust, allergens, and airflow issues.
Bigger packs lower your cost per filter. Stock up, save more, and keep your slot covered all year.
Description
Pure Plus is the MERV 8 filter for people who love their pets but don’t love smelling them every time the HVAC kicks on. Dogs are great. Cats are weird little roommates. The hair, dander, dust, pollen, lint, and mystery smells they leave behind? Less cute.
Pure Plus is built with layers of progressive density filter media and a sturdy wire frame. It helps capture pet hair, pet dander, dust, pollen, lint, mold spores, dust mite debris, and everyday airborne crud before it keeps making laps through your furnace, AC, HVAC, or return-air system.
The MERV 8 rating hits the pet-home sweet spot. Strong enough to catch the common junk floating around your house, without choking your HVAC system like some overbuilt filter brick trying way too hard. And because size matters, Pure Plus is made to sit snug in your filter slot. No awkward gaps. No loose performance. No dirty air sneaking in the back door.
Your old filter is giving limp cardboard energy. Pure Plus actually knows how to seal.
Product Specs
- Product Name: Pure Plus Air Filter
- Filter Size: 16x25x1
- Filter Construction: Synthetic Fiber Matrix w/ Internal Wire Frame
- MERV Rating: 8
- Initial Resistance: 0.206” W.G. @ 295 FPM
- Dust Arrestor: Supertack (Non-Migrating Adhesive Coating)
- Best For: Homes with pets, shedding, dander, allergies, dust buildup, pollen, lint, and people who are tired of crappy filters
- Helps Capture: Pet hair, pet dander, dust, lint, pollen, mold spores, dust mite debris, allergens, bacteria, virus carriers, and other everyday airborne particles
- Compatible Systems: Furnace, AC, HVAC, and return-air systems
- Pack Sizes: 1-12 filters
- Purchase Options: One-time purchase or subscription
- Recommended Use: Routine residential filter replacement
- Replacement Cadence: Every 1-3 months depending on home, system use, dust, and pets
Pure vs Pure Plus vs Pure Carbon
Pure
- Best for everyday dust protection
- Choose this if you want simple, reliable filtration for regular home maintenance, steady airflow, and fewer dusty little freeloaders floating around.
Plain English:
Pure is the everyday workhorse. It handles dust, lint, pollen, and routine crud without making your HVAC system work through unnecessary drama.
Pure Plus
- Best for stronger household filtration
- Choose this if you want more filtration power for dust, pollen, and everyday airborne debris.
Plain English:
Pure+ is for homes that need a little more muscle with added Supertack tackifier. More capture power, still homeowner-friendly, still not a boring cardboard rectangle pretending it’s special.
Pure Carbon
- Best for odor control plus dust capture
- Choose this if you have pets, cooking smells, stale air, or other nose crimes floating around your house.
Plain English:
Pure Carbon brings carbon filtration into the mix to help reduce everyday odors. Pet smells, cooking funk, stale air, mystery basement vibes. You know the type.
Will This Fit My System?
This 16x25x1 Pure Plus Air Filter is made for compatible furnace, AC, HVAC, and return-air systems that use a 16x25x1 filter. Check the size printed on the frame of your current filter before ordering. If it says 16x25x1, you’re in the right place. If it says something else, don’t freestyle it. HVAC systems are picky little machines, and “close enough” is how you end up with dust sneaking around the filter like it owns the place.
Quick tip: Filter sizes are usually printed on the cardboard frame of your current filter. Check there first. Then order like a responsible adult.
Stop Forgetting Your Filter Change
Your HVAC filter is not supposed to become a dusty artifact from a lost civilization. Choose your pack size, set your delivery schedule, and get fresh 16x25x1 Pure Air Filters before the old one turns into a gray shame square. Subscriptions make regular replacement easy, especially if your system runs often, you have pets, or your house collects dust like it’s training for something.
Suggested delivery schedule:
- Every 1 month for heavy use, pets, extra dust, or high HVAC runtime
- Every 2 months for moderate use
- Every 3 months for typical home replacement
- Every 6 months if you’re stocking up and replacing manually
“Not to be dramatic, but Pure Plus is the first thing I’ve put in my furnace slot that actually performed. Tight fit, less pet funk, less dust, no weird whistling. My old cardboard filter should be embarrassed.”
16x25x1 Pure Plus | MERV 8 Air Filter
Tight Where It Counts
If your filter wiggles, dirty air is getting ideas. Pet dander, dust, hair, pollen, lint, and whatever your dog dragged in can slip around the sides and head right back into your home. A loose filter might look like it’s doing the job, but dirty air knows when there’s a gap.
Pure Plus is built for a tighter fit, so more air actually goes through the filter instead of sneaking around it like a little freak. No gaps. No weak performance. No cardboard pretending it still has game.
A snug fit does a lot of dirty work.
No Limp Cardboard Here
Traditional cardboard-framed filters can wiggle, bend, sag, absorb moisture, collapse, and still act like they deserve a spot in your furnace. Embarrassing behavior.
Pure Plus is built with stronger materials, smarter MERV 8 media, and a design that helps keep air moving through the filter instead of sliding around it. Same slot. Better performance. Way less floppy.
A regular pleated filter catches basic bitch particles. Pure Plus captures more pet hair, dander, and allergens. Your home deserves something that knows how to perform under pressure.
| Feature | Yoor Air Pure Plus | Traditional Cardboard Filter |
|---|---|---|
| Fit | Tight where it counts to help reduce dirty air bypass. | Can wiggle, gap, and let dirty air sneak around. |
| MERV Rating | MERV 8 filtration built for everyday pet homes. | Rating varies, and bypass air ruins the whole performance. |
| Pet Dander | Helps trap dander before it keeps circulating. | Lets particles slip by when the fit gets loose. |
| Pet Hair | Captures floating hair before it becomes floor tumbleweeds. | Often surface-loads and clogs faster. |
| Tackifier | A non-migrating adhesive coating to suspend trouble before it gets into the system. | Anything that can get through or around is not being stopped. |
| Frame | Built to stay stronger under HVAC pressure. | Cardboard can bend, sag, absorb moisture, and get sad. |
| Media | Synthetic Matrix helps trap everyday dust, lint, pollen, and crud. | Often surface-loads and restricts airflow faster. |
| Airflow | Designed for steady airflow without the drama. | Can whistle, chatter, collapse, or restrict unevenly. |
| Replacement | Available once or on subscription. | Replaced whenever someone finally remembers. Hot mess. |
NO MORE HAIRBALLS!
NO MORE HAIRBALLS!
Built to Catch the Dander Pet Homes Loath
Your home is constantly making dust. Add pets and now you’ve got dander, hair, pollen, lint, dust mite debris, and general floating grossness doing laps through your return-air system.
Pure Plus is a MERV 8 pet and dander filter built to catch that junk before it keeps cycling through your furnace, AC, HVAC, or return-air system.
Size matters. Fit matters. Dirty air loves a loose situation. Pure Plus closes the gap.
Better for You. Better for Your Home. Built Better. Period.
Built to Last
Your furnace works hard. Your filter should too. Yoor Air filters are built with stronger materials that resist bending, sagging, and the limp cardboard nonsense that can leave your HVAC system working harder than it needs to.
Built with Purpose
Every part of a Yoor Air filter has a job to do. From the frame to the filtration media, we designed it to fit better, last longer, and help keep the junk where it belongs. In the filter. Not floating around your house.
Made for Real Homes
Life gets messy. Dust, pet hair, pollen, and everyday junk don't take days off. Our filters are built to handle real homes with a better fit and durable construction that helps keep your HVAC system doing its job.
MERV 8 Hits the Sweet Spot
Bigger isn’t always better. Some filters crank the MERV rating so high they start choking airflow and making your HVAC system work harder than it needs to. Congratulations, your furnace is now wheezing in the basement.
Pure Plus uses MERV 8 filtration because it hits the pet-home sweet spot. It helps trap pet dander, dust, pollen, lint, mold spores, dust mite debris, and larger airborne particles while still letting your system breathe.
Strong enough to catch the crud. Not so tight your HVAC regrets the relationship.
Don’t Wait Until It’s Fully Loaded
A normal home can usually run a filter for about 90 days, but pet homes play by filthier rules.
If you’ve got dogs, cats, allergies, heavy shedding, or an HVAC system that runs a lot, check Pure Plus around the 60-day mark. During shedding season, check it sooner. Your pet is adorable but your filter is still catching their airborne evidence.
Easy test: Pull the filter out and shine a flashlight through it from the green side. If light passes through to the white side, you’ve still got some life left. If it looks like you’re shining a flashlight through a dirty sweater, change it.
Feel free to reference the table below for your suggested filter replacement schedule.
| Home Situation | Suggested Replacement |
|---|---|
| Typical home use | Every 90 days |
| Pets in the home | Every 60 (or less) days |
| Heavy shedding or pet odors | Every 4 to 6 weeks |
| Asthma or allergies in the home | Every 4 to 6 weeks |
| Pets plus sensitive air needs | Check monthly, replace every 4 to 6 weeks |
| Heavy HVAC use | Check monthly |
Size Matters. So Does Sealing.
A filter that almost fits almost works.
Too small? Dirty air finds the gap. Too big? Now you’re cramming filter material into your furnace like a maniac.
Pure Plus is designed to fit snug and help reduce dirty air bypass, so more air goes through the MERV 8 media instead of sneaking around the sides.
Snug fit. Cleaner air. No awkward gaps.
FAQs
What is the MERV rating for Pure Plus?
Pure Plus is rated MERV 8. It helps trap common household airborne particles like pet dander, dust, pollen, lint, mold spores, dust mite debris, and larger airborne junk.
Strong enough to catch the crud. Not so restrictive your HVAC starts rethinking its life choices.
What does MERV 8 filter?
MERV 8 helps capture everyday airborne junk like pet dander, pet hair, household dust, pollen, lint, mold spores, dust mite debris, textile fibers, and larger particles floating through your home.
Basically, the stuff your house keeps making even though nobody asked.
Is MERV 8 good for pet owners?
Yes. MERV 8 is a solid fit for pet homes because it helps trap common pet-related particles while still allowing good airflow through your HVAC system.
You want dander caught in the filter, not sliding around the sides like it found a loophole.
Does MERV 8 capture odors?
MERV ratings measure particle capture, not stink.
However, Pure Plus can help with pet odors and capture odor-causing microbes in the filter media. MERV 8 handles the airborne junk.
But if it were up to us, we'd go with our Pure Carbon option instead. That's the filter that truly annihilates odor!
How often should I change Pure Plus?
Many homes change filters about every 90 days, but pet homes usually need a shorter schedule.
If you have dogs, cats, allergies, heavy shedding, or high HVAC usage, check it around 60 days. If it looks packed or light doesn’t pass through it easily, swap it.
Don’t make your HVAC breathe through a fur hoodie.
Does Pure Plus help with pet odors?
Pure Plus is great at dander and dust, not odor. If you are tackling odor, smart people (and we know you are) choose Pure Carbon for all stinky, odor adsorbing issues!
Our Pure Carbon filter won’t make your dog stop smelling like pond water after one bad decision. But it will help your HVAC stop spreading the funk around.
Why doesn’t Pure Plus have a cardboard frame?
Because floppy cardboard filters are embarrassing.
Cardboard can bend, absorb moisture, sag, and collapse. Pure Plus uses synthetic media and an internal rigid wire frame to stay stronger in real HVAC conditions.
Your filter shouldn’t fold under pressure.
Will Pure Plus fit tightly in a larger filter track?
Yes. Yoor Air filters are designed to sit snug in larger tracks and help reduce bypass air.
No awkward gaps. No dirty air sliding around the sides. No filter-slot situationship.
What size should I order?
Order the nominal size printed on your current filter. If your current filter says 16x25x1, order 16x25x1.
Size matters. Don’t freestyle it.
If you’re unsure, measure your filter track or send Yoor Air your dimensions. We’ll help you find the right fit before your furnace judges you.
Can I subscribe to Pure Plus filters?
Yes. Choose your pack size and delivery schedule, and fresh filters will show up automatically. It’s the easiest way to stop forgetting filter changes until your old one looks like it came from a haunted dryer vent.
A 16x25x1 air filter is a common size for residential furnace, AC, HVAC, and return-air systems, and the Yoor Air Pure Plus Air Filter is built for pet homes that need more than limp cardboard energy in the slot. This MERV 8 pet and dander filter helps trap pet hair, pet dander, dust, pollen, lint, mold spores, dust mite debris, and everyday airborne crud before it keeps cycling through your home like it pays rent. Pure Plus uses a synthetic media matrix, Supertack adhesive tackifier, and a tighter-fitting design to help reduce dirty air bypass, because size matters and a loose filter is basically just dust with extra steps. It’s made for steady airflow, less pet funk, cleaner-feeling air, and regular HVAC maintenance that doesn’t require you to become a furnace nerd. Choose pack sizes 1 through 12 or subscribe so fresh filters show up before your old one gets fully loaded and starts giving weak performance.