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Best 18x 24 X 1 Air Filters

From leading brands and best sellers available on the web.
#1

Winner

K&N 20x24x

K&N

K&N 20x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-12024,1 Count (Pack of 1)

#2
Filtrete M

Filtrete

Filtrete Micro Allergen Defense AC Furnace Air Filter, MPR 1000, 12x 24 x 1-Inches, 4-Pack

#3
BNX TruFil

BNX

BNX TruFilter 18x24x1 Air Filter MERV 13 (6-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Pollen, Mold, Bacteria, Smoke, Allergen, MPR 1900 FPR 10

#4
Filtrete H

Filtrete

Filtrete Healthy Living Ultra Allergen Reduction AC Furnace Air Filter, MPR 1500, 18 x 24 x 1-Inches, 2-Pack

#5
Handua 24"

Handua

Handua 24"W x 18"H [Duct Opening Size] Steel Return Air Filter Grille [Fixed Hinged] for 1-inch Filters, Vent Cover Grill for Sidewall and Ceiling, White, Outer Dimensions: 26 5/8"W X 20 5/8"H

#6
Filtrete 1

Filtrete

Filtrete 18x24x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-Pack (exact dimensions 17.81 x 23.81 x 0.81)

#7
Filtrete 1

Filtrete

Filtrete 18x24x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 17.81x23.81x0.78 in)

#8
24 X 18 St

HVAC Premium

24 X 18 Steel Return Air Filter Grille for 1 Filter - Fixed Hinged - Ceiling Recommended - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 26.5w X 20.5h]

#9
18 X 24 St

HVAC Premium

18 X 24 Steel Return Air Filter Grille for 1 Filter - Removable Face/Door - HVAC DUCT COVER - Flat Stamped Face - White [Outer Dimensions: 20.5w X 26.5h]

#10
Filtrete A

Filtrete

Filtrete Allergen Defense Odor Reduction AC Furnace Air Filter, MPR 1200, 18 x 24 x 1-Inches, 6-Pack