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KALEROPremium Air Filters
KALERO premium air filter with filtered air flowing through it

Cleaner air.
Better living.

Premium air filters designed to make finding the right filtration for your home simple.

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Most popular sizes

Know your size? Start here.

10 × 20 × 112 × 20 × 112 × 24 × 112 × 25 × 114 × 20 × 114 × 24 × 114 × 25 × 116 × 20 × 116 × 24 × 116 × 25 × 118 × 20 × 118 × 24 × 118 × 25 × 120 × 20 × 120 × 24 × 120 × 25 × 120 × 30 × 124 × 20 × 124 × 24 × 124 × 25 × 1
Shop all sizes

Don't see your size? Browse our complete list of filter sizes.

Shop by air

Shop by what's in your air.

Three levels of filtration. Pick the one that matches your home.

KALERO Standard, MERV 8 air filter
Standard

MERV 8

Everyday protection for cleaner home air.

  • Dust
  • Pets
  • Pollen
  • Everyday allergens
Shop Standard
KALERO Pro, MERV 11 air filter
Pro

MERV 11

Extra protection for pets, pollen, and everyday allergens.

  • Pets
  • Allergies
  • Pollen
  • Dander
Shop Pro
KALERO Max, MERV 13 air filter
Max

MERV 13

Our strongest filtration for homes where air quality matters most.

  • Smoke
  • Smog
  • Bacteria
  • Odors
Shop Max
  • Fast & free shippingOn all orders
  • Premium filtrationCleaner, healthier air
  • Made in the USATrusted quality

Fits every major residential HVAC system.

  • Carrier
  • Trane
  • Lennox
  • Honeywell
  • Bryant
  • Rheem
  • Goodman
  • Aprilaire
  • Trion
  • York

Compare

Which KALERO is right for you?

Three levels of filtration. One easy choice.

Filtration

What each tier is built to handle.

MERV 8 Standard filter

Standard

MERV 8

MERV 11 Pro filter

Pro

MERV 11

MERV 13 Max filter

Max

MERV 13

Everyday dust
Pollen
Lint & fine fibers
Pet dander
Fine particles
Smoke & smog
Limited
Best For
Everyday homes
Pets + allergies
Maximum filtration
Compare FiltersNot sure? Take the quiz →

Made for real air

Every home breathes differently.

KALERO MERV 8 filter, clear days and everyday dust.
MERV 8 · Standard

Clear days and everyday dust.

Shop Standard
KALERO MERV 11 filter, pets, pollen and the great outdoors.
MERV 11 · Pro

Pets, pollen and the great outdoors.

Shop Pro
KALERO MERV 13 filter, smoke, smog and city air.
MERV 13 · Max

Smoke, smog and city air.

Shop Max

The KALERO way

Dust in. Clean air out.

Air filters, finally designed for your home.

  • Three MERV levels, one easy choice
  • Made in the USA
  • Delivered on your schedule
  • Fits every major HVAC brand
Find your filter

How KALERO works

Cleaner air without another thing to remember.

Three quiet steps between you and the filter your home actually needs.

A golden retriever resting on a rug in a bright living room
01
Tell us about your home

Answer a few quick questions about your concerns, pets, and filter size.

KALERO MERV 8, 11 and 13 filters side by side
02
Get the right filter

We recommend a filter made for the way you actually live, not a generic option.

A sunlit living room with clean air flowing through it
03
Replace it on time

Your next filter arrives before the current one needs to come out.

Subscribe & save

Your next filter, right when you need it.

Select your size, choose your schedule, and let KALERO take filter replacement off your mental checklist.

  • Delivery every 30, 60, or 90 days
  • Multiple-filter households
  • Pause or cancel anytime
  • Save 15% every filter
  • Free shipping
  • Replacement reminders
Build my filter plan

Your plan preview

Allergy Defense

MERV 13 · 20 × 25 × 1

Allergy Defense

Delivery cadence

Every filter

$27.20$32.00

Save 15% + free shipping

Pause or skip anytime
No lock-in

Reminder

Your next Allergy Defense ships in 4 weeks.

Confirmed

Air, explained simply

Know your air.Breathe easier.

MERV ratings, filter sizes and when to replace, made simple.

Find your filter

Better air starts with remembering the filter.

Get replacement reminders and practical home-air tips.

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