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18x20x1 air filters for residential filtration or industrial air filtration needs.
$53.01 $55.80 -5% In Stock18x20x1 Furnace Filters MERV 8
18x20x1 pleated filter, MERV 8, manufactured by Quality Filters Exact dimensions: 17-1/2" x 19-1/2” x 3/4” High Capacity filter at the standard capacity price. 16 pleats per linear foot for lower resistance Low resistance allows more efficient heating/cooling Made in the USA, in Robertsdale, AL 18x20x1 is also available in MERV 11 and MERV 13...
$53.01 $55.80 -5%In Stock
$76.95 $81.00 -5% In Stock18x20x1 Air Filters MERV 11
18x20x1 pleated air filters, MERV 11 Exact size: 17-1/2" x 19-1/2” x 3/4” Captures smaller particles than MERV8 for improved air quality 18 pleats per linear foot for lower resistance/increased efficiency Performance compares to brand name filters at much lower prices. Made in the USA, by Quality Filters, Inc in Robertsdale, AL 18x20x1 is also...
$76.95 $81.00 -5%In Stock
18x20x1
- 10x10x1
- 10x16x1
- 10x20x1
- 10x24x1
- 10x25x1
- 10x30x1
- 12x12x1
- 12x15x1
- 12x16x1
- 12x18x1
- 12x20x1
- 12x22x1
- 12x24x1
- 12x25x1
- 12x30x1
- 14x14x1
- 14x18x1
- 14x20x1
- 14x24x1
- 14x25x1
- 14x30x1
- 15x20x1
- 15x25x1
- 15x30x1
- 16x16x1
- 16x18x1
- 16x20x1
- 16x24x1
- 16x25x1
- 16x30x1
- 16x32x1
- 18x18x1
- 18x20x1
- 18x22x1
- 18x24x1
- 18x25x1
- 18x30x1
- 20x20x1
- 20x22x1
- 20x24x1
- 20x25x1
- 20x30x1
- 22x22x1
- 24x24x1
- 25x25x1
It's About More than Just Filters...