Nordic Pure 18x20x2M12-3 18 in x 20 in x 2 in Allergen Pleated MERV 12 Air Filter 3 Pack
Filtrete 18-in W x 18-in L x 1-in 5 MERV Basic Pleated Air Filter (3-Pack) in the Air Filters department at Lowes.com
18 X 20 X 1 Standard Pleated Air Filter FPR 9 | eBay
Honeywell 18x20x1 Furnace Air Filter High Efficiency MERV 11 - 12 Pack | Honeywell Store
Air-Care, Washable Permenant Electrostatic Air Filter, Width 18 in, Height 20 in, Filters (qty.) 1, Model# ES18201 | Northern Tool
Flanders (4 Filters), 18" X 25" X 1" Precisionaire Nested Glass Air Filter - Walmart.com
Air-Care, Washable Permenant Electrostatic Air Filter, Width 18 in, Height 20 in, Filters (qty.) 1, Model# ES18201 | Northern Tool
Koch Air Filter 18 x 20 x 1 MERV 8 Pleated Air Filter 12 Pack - Hepa Filter Sales - HepaFilterSales.com -- We Deliver Breathing Easier
GENUINE ! AIR FILTER FOR 18-20 HYUNDAI ACCENT KIA RIO OE# 28113-H8100 | eBay
Flanders EZ-Flow II (1 Filter), 18" X 20" X 1" Flat Panel Furnace Air Filter - Walmart.com
PrecisionAire - Panel Air Filter: 18 x 20 x 1″, MERV 4, 20% Efficiency - 51593390 - MSC Industrial Supply
Filtrete 18-in W x 20-in L x 1-in 2 MERV Basic Flat Panel Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com
Do it Best 18 In. x 25 In. x 1 In. MERV 8 Furnace Filter - Carr Hardware
Filtrete 18-in W x 20-in L x 1-in 11 MERV 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
HDX 12 in. x 20 in. x 1 in. Superior Pleated Air Filter FPR 9 HDX1P9-011220 - The Home Depot
18" X 18 Steel Return Air Filter Grille - HVAC Premium
Ez Flow Part # 10055.011820 - Ez Flow 18 In. X 20 In. X 1 In. Ez Flow Ii No-Metal Fiberglass Air Filter Merv 2 (12-Pack) - Fiberglass Air Filters - Home Depot Pro
Amazon.com: Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 0.75 Inches) : Tools & Home Improvement
Filtrete 18-in W x 20-in L x 1-in 5 MERV Basic Pleated Air Filter in the Air Filters department at Lowes.com
PRO-SOURCE - Pleated Air Filter: 18 x 20 x 1″, MERV 10, 55% Efficiency, Wire-Backed Pleated - 00027458 - MSC Industrial Supply
Dynamic C3P1820 18 x 20 Air Filter
Honeywell 18 in. x 18 in. x 1 in. Elite Allergen Pleated FPR 10 Air Filter - Walmart.com
HDX 18 in. x 20 in. x 1 in. Premium Pleated Air Filter FPR 10 HDX1P10-011820 - The Home Depot
