18x18x1 Air Filter Choices - 18 x 18 x 1 Furnace Filters

ABOUT SSL CERTIFICATES

Frequently Asked
Questions

Choose Your Air Filter Size:

Returning Customer Login
View Cart • Checkout

Other filter grades and styles may be available in this size as a CUSTOM filter.

18x18x1 Air Filters Available

DuPont Air Filters: 18"x18"x1" DuPont Platinum filters measure 17-3/4"x17-3/4"x3/4" actual and will capture visible dust, mold, and allergens, bacteria, and smoke odor. Featuring Oguard to control odors and Microban to destroy live bacteria build-up on the filter, these pleated filters are MERV 12 rated and are individually wrapped.

See Product Image

Plus Filtration with added protection from:

Bacteria
Disintegrated Pet Feces

Lead Dust
Insecticide Dust

DuPont air filters, with Oguard™ and Microban®, provide the ultimate protection from bacteria, mold, odor, allergens and dust.
MERV 12
Specifications

Brand

Case Price

Filters/Case

Price/Filter

Stock

Order

DuPont

$203.28

$16.94

Yes

BUY

Pre-Pleat 40 Air Filters: These 18"x18"x1" pleated filters are rated MERV 11 and will capture visible dust and allergens. These are heavy-duty, commercial-grade pleated filters with actual dimensions of 17-5/8" x 17-5/8" x 3/4"

See Product Image

PrePleat 40 air filters are a commercial/industrial, heavy-duty air filter.
MERV 11
Specifications

Brand

Case Price

Filters/Case

Price/Filter

Stock

Order

Pre-Pleat 40

$96.00

$8.00

Yes

BUY

Arm & Hammer® Air Filters: 18"x18"x1" Arm & Hammer filters measure 17-7/8"x17-7/8"x3/4" actual and will capture visible dust, mold, and allergens. Containing Arm & Hammer baking soda to absorb odors. These pleated filters are MERV 10 rated and are individually wrapped.

See Product Image

Standard Filtration with added protection from:

Household Fibers
Nuisance Dust
Grass Pollen
Tree Pollen

Oil Smoke
Smoke Oder
Microscopic Allergens

Arm & Hammer air filters absorb and eliminate naturally occurring household odors such as food, pet, and human body odors.
MERV 10
Specifications

Brand

Case Price

Filters/Case

Price/Filter

Stock

Order

Arm & Hammer®

$53.94

$8.99

Yes

BUY

Activated Carbon Air Filters: True MERV 8 filtration with activated carbon to control odors. Individuall wrapped. Actual size is 17-5/8" x 17-5/8" x 3/4"

NaturalAire® Air Filters: 18"x18"x1" NaturalAire filters measure 17-7/8"x17-7/8"x3/4" actual and will capture visible dust. These pleated filters are MERV 8 rated and are individually wrapped.

See Product Image

Pre-Pleat 40 Air Filters: These 18"x18"x1" pleated filters are rated MERV8 and will capture visible dust. These are heavy-duty, commercial-grade pleated filters with actual dimensions of 17-5/8" x 17-5/8" x 3/4"

See Product Image

Basic Filtration with added protection from:

Pet Dander
Ragweed Pollen

Mold Spores
Dust Mite Debri

Activated Carbon captures visible dust and absorbs many objectionable household odors, including smoking odors.
NaturalAire air filters simply and effectively capture particles from the air.
PrePleat 40 air filters are a commercial/industrial, heavy-duty air filter.
MERV 8
Specifications

Brand

Case Price

Filters/Case

Price/Filter

Stock

Order

Activated Carbon

$120.00

$10.00

Yes

BUY

NaturalAire®

$35.94

$5.99

Yes

BUY

Pre-Pleat 40

$65.88

$5.49

Yes

BUY

Flanders Air Filters: 18"x18"x1" Polyester panel filter provides basic equipment protection. Actual filter measurements are 17-7/8"x17-7/8"x3/4

See Product Image

Poly Panel air filters are made of polyester filtering material and will provide the basic essentials of an air filter. They will protect your heating and cooling equipment. They are not available in custom sizes.

Poly Panel MERV 4

Brand

Case Price

Filters/Case

Price/Filter

Stock

Order

Poly Panel

$34.80

$2.90

Yes

BUY

If you have questions about our 18 x 18 x 1 air filters, please contact us. If you are concerned that a 18x18x1 air filter will not fit your air conditioner, central air system, or furnace; please visit determining your air filter size. If you are looking for a different size furnace or air filter than 18 x 18 x 1; please choose a different size from the chart below.

Nominal Filter Size

08" x 16" x 1" Air Filter

08" x 30" x 1" Air Filter

10" x 10" x 1" Air Filter

10" x 20" x 1" Air Filter

10" x 20" x 2" Air Filter

10" x 24" x 1" Air Filter

10" x 25" x 1" Air Filter

10" x 30" x 1" Air Filter

12" x 12" x 1" Air Filter

12" x 16" x 1" Air Filter

12" x 20" x 1" Air Filter