Free Shipping & Returns

100 Day Return Policy

100% Satisfaction Guarantee

Search

My Account
- Sign in
- Register
Cart ()

Search

Shop by Size
- All Shop by Size
- 1" Inch Filters
  - 6x20x1
  - 8x8x1
  - 8x20x1
  - 10x10x1
  - 10x20x1
  - 10x24x1
  - 10x25x1
  - 10x30x1
  - 12x12x1
  - 12x16x1
  - 12x18x1
  - 12x20x1
  - 12x24x1
  - 12x25x1
  - 12x30x1
  - 13x21.5x1
  - 14x14x1
  - 14x18x1
  - 14x20x1
  - 14x24x1
  - 14x25x1
  - 14x28x1
  - 14x30x1
  - 15x20x1
  - 15x25x1
  - 15x30x1
  - 16x19x1
  - 16x16x1
  - 16x20x1
  - 16x24x1
  - 16x25x1
  - 16x30x1
  - 16.38x21.5x1
  - 17x22x1
  - 17.5x21x1
  - 18x18x1
  - 18x20x1
  - 18x22x1
  - 18x24x1
  - 18x25x1
  - 18x30x1
  - 19.88x21.5x1
  - 20x20x1
  - 20x21x1
  - 20x22x1
  - 20x23x1
  - 20x24x1
  - 20x25x1
  - 20x30x1
  - 21x21x1
  - 21.5x23.32x1
  - 21.5x23.5x1
  - 22x22x1
  - 24x24x1
  - 24x30x1
  - 25x25x1
  - 30x30x1
- 2" Inch Filters
  - 10x20x2
  - 12x12x2
  - 12x20x2
  - 12x24x2
  - 14x20x2
  - 14x25x2
  - 14x30x2
  - 15x20x2
  - 16x16x2
  - 16x20x2
  - 16x24x2
  - 16x25x2
  - 16x30x2
  - 18x18x2
  - 18x20x2
  - 18x24x2
  - 18x25x2
  - 20x20x2
  - 20x24x2
  - 20x25x2
  - 20x30x2
  - 22x22x2
  - 24x24x2
  - 24x30x2
  - 25x25x2
- 3" Inch Filters
  - 10x10x3
  - 10x20x3
  - 12x12x3
  - 12x24x3
  - 12x30x3
  - 14x14x3
  - 14x20x3
  - 14x24x3
  - 14x25x3
  - 14x30x3
  - 16x20x3
  - 16x24x3
  - 16x25x3
  - 16x30x3
  - 18x18x3
  - 18x20x3
  - 18x24x3
  - 18x25x3
  - 18x30x3
  - 20x20x3
  - 20x24x3
  - 20x25x3
  - 20x30x3
  - 20x36x3
  - 24x24x3
  - 24x30x3
- 4" Inch Filters
  - 12x24x4
  - 16x20x4
  - 16x24x4
  - 16x25x4
  - 18x24x4
  - 20x20x4
  - 20x24x4
  - 20x25x4
  - 24x24x4
- 5" + Inch Filters
  - 12x24x12
  - 16x20x5
  - 16x25x5
  - 16x27x6
  - 20x20x5
  - 20x25x5
  - 20x25x6
  - 24x24x12
Shop by Brand
- All Shop by Brand
- AprilAire
- Bryant
- Carrier
- Clean Comfort
- Fortify
- Generalaire
- Honeywell
- Lennox
- Pro1 IAQ
- Skuttle
- Space-Gard
- Top Tech
- Trion Air Bear
- White Rogers
Shop by MERV
FAQs
Shipping & Returns
Contact Us
About Us
HVAC Blog
800-449-9154

Sign in or Register

Home
Shop by Size
1" Inch Filters
20x21x1

20x21x1

Shop By Price

Enter the minimum price to filter products by

Enter the maximum price to filter products by

Reset The filter has been reset

Sort By:

Glasfloss ZL 20x21x1 MERV 10 (FPR 5-6) Pleated Air Filters. (6-Pack). Exact Size: 19-1/2 x 20-1/2 x 7/8

(Inc. Sales Tax)

$120.96

Now: $67.95

Add to Cart The item has been added

!

Shop by MERV

Shop by Size: 1" 2" 3" 4" 5"
Shop by Brand
Shop by MERV

Information

Why Us
Our Filters
FAQs
About Us
Blog
Sitemap

Support

Contact
Privacy Policy
Terms of Service
Login
My Account

Contact Us

9am to 6pm EST Monday – Friday

2700 Hutchison McDonald Rd, Ste D
Charlotte, NC 28269

Facebook
X
Instagram
Linkedin

All prices are in USD

|

© 2025 filtersdelivered.com, All rights reserved.