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WE OFFER ALL BRANDS IN MERV 8, MERV 11, MERV 13, MERV 16, PLUS......
ODOR DEFENSE™
"Our #1 recommended air filter"


WHY?..... ODOR DEFENSE removes dust particles as small as 3 microns (.00011811 Inches) and has an arrestance of up to 95%, (As Per ANSI/ASHRAE STANDARD 52.2) To illustrate, the dot inside the parenthesis ( . ) is 615 microns. Compare this to 3 microns.

But here is the beauty, ODOR DEFENSE ALSO removes foul odors and harmful gases from the airflow in your home, while keeping air resistance at a low level. To Discover all about this GREAT Filter,
go here.



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Airguard Air Filter
Airguard Air Filters, Furnace Filters 20X20X5 (19 3/4 x19 7/8 x 4 3/8) MERV 13 -AfterMarket
ONLY: $31.89 each - FREE SHIPPING + SAVE When You Order More

Airguard Filters - Airguard Air Filters, Furnace Filters For::
HW-503

Do not confuse with part # AB-503

Nominal size 20" x 20" x 5" Actual size 19 3/4" x 19 7/8" x 4 3/8"
Airguard Air Filter
Airguard Air Filter - Furnace Filter 20X20X5 (19 3/4 x19 7/8 x 4 3/8) MERV 11 - AfterMarket
ONLY: $23.94 each - FREE SHIPPING + SAVE When You Order More

Airguard Filters - Airguard Air Filters, Furnace Filters For::
HW-503

Do not confuse with part # AB-503

Nominal size 20" x 20" x 5" Actual size 19 3/4" x 19 7/8" x 4 3/8"
Airguard Air Filter
Airguard Air Filter - Furnace Filter 20X20X5 (19 3/4 x19 7/8 x 4 3/8) MERV 8 - AfterMarket
ONLY: $22.84 each - FREE SHIPPING + SAVE When You Order More

Airguard Filters - Airguard Air Filters, Furnace Filters For::
HW-503

Do not confuse with part # AB-503

Nominal size 20" x 20" x 5" Actual size 19 3/4" x 19 7/8" x 4 3/8"
Airguard Air Filter
ODOR DEFENSE™ Airguard AfterMarket Replacement Air Filter 20X20X5 (19 3/4 x19 7/8 x 4 3/8)
ONLY: $34.66 each - REMOVES DUST AND FOUL ODORS!


Image For Illustration Only.
May or May Not Be a True Representation.

Airguard Filters - Airguard Air Filters, Furnace Filters For::
HW-503

Do not confuse with part # AB-503

Nominal size 20" x 20" x 5" Actual size 19 3/4" x 19 7/8" x 4 3/8"