Skip to content
Blue and white air filter with MERV 10 label on a white background

18x25x2 Air Filters

Actual: 17.5x24.5x1.75 inches
Made in the USA • Ships within 48 hours • Free Shipping
1. Choose MERV Rating
2. Choose Quantity
Total
$0.00 1 filter • $0.00/ea
Volume pricing
Qty
Each
Savings
3. One time or subscription

Notify me when back in stock

Shop replacement air filters available in MERV 10, MERV 11, MERV 13, and Odor Block options. Designed for reliable performance and proper fit, these filters help capture dust, pollen, pet dander, and other airborne contaminants while supporting efficient HVAC operation.

Filters are stocked and shipped from our Clearwater, FL warehouse. Choose your preferred filtration level, order the quantity you need, and save more with volume pricing on larger orders.

When Should You Replace Your Air Filter?

Most homes replace pleated air filters every 1 to 3 months, but the right schedule depends on your home, air quality needs, pets, and how often your HVAC system runs.

IAQ

Allergies or Air Quality Concerns

Replace every 30 to 45 days

If dust, pollen, or indoor air quality is a concern, check your filter monthly and replace it more often to help keep air moving through clean filtration media.

PET

Pets in the Home

Replace every 2 months

Pet hair and dander can build up quickly. A 2 month replacement schedule is a good starting point for many homes with dogs or cats.

HOME

Standard Home Use

Replace every 2 to 3 months

For homes without pets or major air quality concerns, replacing your filter every 2 to 3 months is a practical starting point.

Quick tip: Check your filter monthly. If it looks dirty, clogged, or restricted, replace it sooner.

Filter Details

Product specifications and sizing information.

Nominal Size: 18x25x2

Actual Size: 17.5x24.5x1.75 inches

Manufactured in the USA using high quality filtration media and durable beverage board frames.

Not sure if this is the right size? Browse our 1 inch air filters, 2 inch air filters, or 4 inch air filters to compare common residential filter sizes.

MERV Rating Guide

Learn what MERV ratings mean and choose the right level of filtration for your home.

In simple terms, the higher the MERV rating, the smaller the particles the filter can trap. Higher MERV filters can help improve indoor air quality by capturing more dust, allergens, and microscopic particles moving through your HVAC system.

Choosing the right MERV rating depends on your home, allergies, pets, air quality concerns, and HVAC system compatibility.

For a deeper breakdown, read our MERV rating guide to compare MERV, MPR, and APR air filter ratings.

MERV 10

Great for everyday residential filtration and standard home use.

  • Dust and lint
  • Pollen
  • Pet dander
  • Mold spores
  • General household debris

MERV 10 filters offer an excellent balance of airflow and filtration performance for most homes.

MERV 11

Enhanced filtration for homes with pets, allergies, or higher indoor air quality needs.

  • Dust and pollen
  • Pet dander
  • Mold spores
  • Fine household particles
  • Some smoke and smog particles

MERV 11 filters are a popular upgrade for homeowners looking for cleaner indoor air without significantly restricting airflow.

MERV 13

Advanced residential filtration for superior indoor air quality.

  • Fine dust particles
  • Smoke and smog
  • Bacteria carriers
  • Microscopic allergens
  • Some virus carrying particles

MERV 13 filters provide higher efficiency filtration performance for residential HVAC systems and are ideal for allergy sufferers, pet owners, and homes with higher air quality concerns.

Always verify your HVAC system can support higher efficiency filtration before upgrading to a MERV 13 filter.

What MERV Rating Is Best for Me?

A simple guide to choosing between MERV 10, MERV 11, and MERV 13.

The best MERV rating depends on your home, your HVAC system, and how much filtration you want.

Choose MERV 10 if you want a dependable everyday air filter for standard home use and general dust control.

Choose MERV 11 if you have pets, dust concerns, mild allergy concerns, or want a stronger everyday filter.

Choose MERV 13 if you want higher efficiency filtration for smaller particles, smoke, and improved indoor air quality, as long as your HVAC system can handle it.

If you are not sure where to start, MERV 10 and MERV 11 are great choices for many homes. MERV 13 is best for customers who want stronger filtration and have confirmed their system can support a higher efficiency filter.

You can also read our full air filter rating guide for a more detailed comparison.

How Often Should I Replace My Filter?

Replacement timing depends on your home, filter type, and system usage.

Most homeowners replace pleated air filters every 1 to 3 months, but the right schedule depends on your home and how often your HVAC system runs.

You may need to replace your filter more often if you have pets, allergies, heavy dust, recent construction, or your air conditioner runs frequently during warmer months.

Check your filter monthly. If it looks dirty, clogged, or restricted, it is time to replace it.

Need a different thickness? Browse our 1 inch air filters, 2 inch air filters, or 4 inch air filters to find the right replacement for your system.

Shipping & Delivery

Information about fulfillment and shipping.

Orders ship from our Clearwater, Florida warehouse.

Most orders ship within 1 business day.

Free shipping is included on all filter orders.

Subscribe & Save

Automatic deliveries with savings built in.

Save on every order with automatic filter deliveries.

Skip, pause, or cancel anytime through your account.

Which MERV Rating Is Right For You?

Helps capture
MERV 10 air filter MERV 10
MERV 11 air filter MERV 11 Most Popular
MERV 13 air filter MERV 13
Dust, Lint & Debris ✓ ✓ ✓
Pollen & Mold Spores ✓ ✓ ✓
Pet Dander ✓ ✓ ✓
Smoke Particles × ✓ ✓
Bacteria Carriers × × ✓
Virus Carriers × × ✓

MERV 10

Good for everyday homes focused on dust, pollen, and airflow.

MERV 11 Most Popular

The best balance of filtration and airflow for most households.

MERV 13

Maximum residential filtration for allergies, smoke, and indoor air quality.

Find Your Filter Size
This product has no reviews of its own. The merchant grouped it with related products, so the reviews shown are from across that group.
J
Janine P. (United States)
Good experience

Filters are as described, quick shipping, competitively (if not inexpensively :-) ) priced.

J
Johnny

Good product, took a little longer than I would like. I am good with the order.

S
Sarah

Easy way to remind me to replace my filter. Perfect customer service

D
Danny C. (United States)
Great customer support and good prices

Would recommend them to anyone.

J
Jorge R. (United States)
Positive experience overall

Placed an order for a few filters. The website was simple enough to navigate and checking out was a breeze. Truth be told, the only hold up was the amount of time it took to receive my order at my doorstep. Took well over a month, I had actually forgotten I even placed the order. Still a good experience though and I can see myself placing an order again in the future.

Hello Jorge,
Thank you for taking the time to write a review of your recent experience with our company. We are happy to hear that you found our website easy to navigate and that checking out was a breeze. However, we would like to apologize for the delay in receiving your order.

We understand that waiting over a month for your order to arrive is frustrating, and we apologize for any inconvenience this may have caused you. We want to assure you that we are aware of extended shipping times in some instances, and we are working diligently to improve in these areas.

Thank you again for your feedback, and we look forward to serving you again in the future.

Best regards,
Chad Hartman

A
Arturo C. (United States)
Wrong filters

I was shipped someone else's filters.

S
Sandra W. (United States)
Just what we needed!

Our filter is an odd size - Filters Shipped us exactly the right size very quickly!

t
tsSLAueP
Mr.

20

t
tsSLAueP
Mr.

20

t
tsSLAueP
Mr.

20

J
James F.S. (United States)
Great Filters, wrong size shipped, unsure of MERV rating.

Your shipping and quality is exceptional, and your prices can't be beat. Your Customer Service is very helpful and VERY fast to respond!

This is my second order, there was a problem with the wrong Tracking number being issued, which Chad was able to correct very quickly on a Saturday.

Unfortunately, the filter shipped was wrong. I ordered a 20x20x6, and received a 20x25x6 filter. Order # was FS#2094

On top of the wrong filter being shipped, there was no card shipped with the filter to prove that it is a MERV13, which was ordered. No card telling me the MERV rating was included.

So I'm left with a filter that's the wrong size, and possibly the wrong MERV rating. The shipping pack slip says 20x20x6, this is very much a 20x25x6.

The first order I placed with you was 100% correct. This one was a hot mess.

Again, Chad was exceptionally helpful. Whoever is pulling your inventory needs to do better. I now have a filter that cannot be used.

Thank you and Best,

James F. Smith
Portland, ME

Good afternoon James,
I apologize for the issues you experienced with your order. I have shipped a replacement set of the correct filter to you today. In addition, I have spoken with our warehouse team to ensure product sheets are included with each order in the future.

Feel free to reach me directly at 727-278-7720 if you have any further questions/concerns.

Thank you,
Chad

G
Greg Z. (United States)
Best value

Filters shipped was the best cost compared to others.

You may also need