WE ARE OPEN! All filters are made in the USA in our Alabama warehouse.

Home / Air Filter Sizes / 20.75x21.75x1a

20.75x21.75x1 Air Filter Merv 8
20.75x21.75x1 AC Filter Merv 11
20.75x21.75x1 Furnace Filter Merv 13
20.75x21.75x1 Filter Merv 13 Titanium
20.75x21.75x1 Filter Merv 10 Carbon

20.75x21.75x1 Air Filter MERV 13

AC Furnace Air Filter 20.75x21.75x1-Inches MERV 13

1247 Reviews

1. Select Filter Quality

Standard
Good
Better
Odor Eliminator

2. Select Quantity

${{ money(priceWithoutDiscount()) }} Save ${{ money(savePrice()) }} ({{ savePercent()}}%)
OR

Out of stock

Product Description

Brand: Filter King
Filter size: 20.75x21.75x1
Actual Size: 20.75 x 21.75 x .75
1-Inch Filter
MERV 8 Filter Rating
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
Residential / Commercial Use

Manufactured in the US