Skip to content

Need Help? 910-401-3910 M-F 10am-5pm EST

Home
AC Furnace Filters
- Carrier
  
  EZ Flex
  Infinity Air Purifier Cartridges
  PGAPX Performance Series Germicidal Air Purifier
  All
- 1 Inch Filters by Size
  
  10x10x1
  10x20x1
  10x24x1
  10x30x1
  12x12x1
  12x16x1
  12x18x1
  12x20x1
  12x24x1
  12x25x1
  12x30x1
  13x21.5x1
  14x14x1
  14x15.5x1
  14x18x1
  14x20x1
  14x24x1
  14x25x1
  14x30x1
  15x20x1
  15x25x1
  16x16x1
  16x18x1
  16x20x1
  16x24x1
  16x25x1
  16x30x1
  16x32x1
  17x22x1
  18x18x1
  18x20x1
  18x22x1
  18x24x1
  18x25x1
  18x30x1
  20x20x1
  20x21x1
  20x21.5x1
  20x22x1
  20x24x1
  20x25x1
  20x30x1
  21.5x23.25x1
  22x22x1
  24x24x1
  24x30x1
  25x25x1
  30x30x1
  30x36x1
- 2 Inch Filter by Size
  
  10x20x2
  12x12x2
  12x20x2
  12x24x2
  12x25x2
  14x20x2
  14x25x2
  16x16x2
  16x20x2
  16x24x2
  16x25x2
  18x18x2
  18x20x2
  18x24x2
  18x25x2
  20x20x2
  20x24x2
  20x25x2
  20x30x2
  24x24x2
  25x25x2
  25x28x2
  30x36x2
- 4 Inch Filter by Size
  
  12x24x4
  16x20x4
  16x25x4
  18x24x4
  20x20x4
  20x24x4
  20x25x4
  24x24x4
  25x29x4
- Whole House Filters
  
  Aprilaire
  Carrier
  Goodman
  Honeywell
  Lennox
  Rheem/ Ruud
  Skuttle
  Trion Air Bear
  Totaline
  Toptech
  Trane
  Ultravation
- Geothermal Filters
- MERV 8 Air Filters
- MERV 11 Air Filters
- MERV 13 Air Filters
- Humidifier Filters
  
  Aprilaire
  Skuttle
- UV Bulb
  
  Fresh-Air UV Lights
  Lennox UV Lights
  Honeywell UV Bulbs
  RGF UV Lights
  Toptech Air Knight UV
  Ultravation UV Lights
- HVAC Parts
- Brands
  
  Aprilaire
  Carrier
  Goodman
  Honeywell
  Lennox
  Rheem / Ruud
  Skuttle
  Trion Air Bear
  TopTech
  Totaline
  Trane
  Ultravation
Air Purifiers
Water Filters
Brands
Pool & Spa Filters

Home
AC Furnace Filters
Air Purifiers
Water Filters
Brands
Pool & Spa Filters

Search

Item added to your cart

View cart

Collection: 18x18x1 Furnace Filters

18x18x1 Furnace Filters in MERV 8 MERV 11 and MERV 13

Filter:

Availability

0 selected

Availability

In stock (6 products)
Out of stock (0 products)

Price

The highest price is $ 69.95

$

From

$

To

Brand

0 selected

Brand

Atomic Filters (6 products)

More filters

0 selected

More filters

18x18x1 (6 products)
Furnace Filters (6 products)
Geothermal (3 products)
MERV 8 (2 products)
MERV 11 (2 products)
MERV 13 (2 products)

Sort by:

6 products

Filter and sort Filter

Filter and sort

Filter

6 products

Availability

In stock (6 products)
Out of stock (0 products)

Clear

Price

The highest price is $ 69.95

$

From

$

To

Clear

Brand

Atomic Filters (6 products)

Clear

More filters

18x18x1 (6 products)
Furnace Filters (6 products)
Geothermal (3 products)
MERV 8 (2 products)
MERV 11 (2 products)
MERV 13 (2 products)

Clear

Sort by:

Remove all

6 products

18x18x1 Merv 8 Pleated AC Furnace Filter - Case of 6

Sale

18x18x1 Merv 8 Pleated AC Furnace Filter - Case of 6

Vendor:
Atomic Filters

Regular price $ 47.99 USD

Regular price ~~$ 79.95 USD~~ Sale price $ 47.99 USD
Unit price per

Sale
18x18x1 Merv 11 Pleated AC Furnace Filter - Case of 6

Sale

18x18x1 Merv 11 Pleated AC Furnace Filter - Case of 6

Vendor:
Atomic Filters

Regular price $ 59.95 USD

Regular price ~~$ 79.95 USD~~ Sale price $ 59.95 USD
Unit price per

Sale
18x18x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6

Sale

18x18x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6

Vendor:
Atomic Filters

Regular price $ 69.95 USD

Regular price ~~$ 79.95 USD~~ Sale price $ 69.95 USD
Unit price per

Sale
18x18x1 Merv 8 Pleated Geothermal Furnace Filter - Case of 6

Sale

18x18x1 Merv 8 Pleated Geothermal Furnace Filter - Case of 6

Vendor:
Atomic Filters

1 total reviews

Regular price $ 47.99 USD

Regular price ~~$ 79.95 USD~~ Sale price $ 47.99 USD
Unit price per

Sale
18x18x1 Merv 13 Allergy Elite Pleated Geothermal Furnace Filter - Case of 6

Sale

18x18x1 Merv 13 Allergy Elite Pleated Geothermal Furnace Filter - Case of 6

Vendor:
Atomic Filters

Regular price $ 69.95 USD

Regular price ~~$ 79.95 USD~~ Sale price $ 69.95 USD
Unit price per

Sale
18x18x1 Merv 11 Pleated Geothermal AC Furnace Filter - Case of 6

Sale

18x18x1 Merv 11 Pleated Geothermal AC Furnace Filter - Case of 6

Vendor:
Atomic Filters

Regular price $ 59.95 USD

Regular price ~~$ 79.95 USD~~ Sale price $ 59.95 USD
Unit price per

Sale

Information

Search
About Us
Contact us
Policies
Shop With Confidence
Air Filter Knowledge
Water Filter Knowlegde
Nominal VS Actual Filter Size
Atomic Filters Reviews
Privacy Policy
Terms of Service
Blog
All Reviews
Experience

Main menu

Home
AC Furnace Filters
Air Purifiers
Water Filters
Brands
Pool & Spa Filters

Subscriptions

Manage My Subscriptions

Subscribe to our emails

Email

Payment methods

© 2024, Atomic Filters Powered by Shopify

Choosing a selection results in a full page refresh.
Opens in a new window.