$222.86
Air Filter 18 X 18 With Price History Tracking
72,410 products
Price Comparison
Cheapest Price
$3.95
Average Price
$184
Highest Price
$1,099
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Merv 8 Pleated Air Filter - 24" x 30" x 1"
$60.34
Merv 8 Pleated Air Filter - 12" x 24" x 1"
Air Filter 18 X 18
$185.71
Practical Pleated Air Filter (2-Pack) - 18" x 30" x 5"
Air Filter 18 X 18
$16.95
Flanders - Value Pleat (VP) - 18" x 24" x 2" - MERV 8
Air Filter 18 X 18
$134.99
12" x 18" x 1" Fiberglass Panel Furnace Filter - 12 pk
Air Filter 18 X 18
$129.99
18" x 20" x 1" Fiberglass Panel Furnace Filters - 12 Pack
Air Filter 18 X 18
$189.99
18" x 36" x 1" Fiberglass Panel Furnace Filters - 12 Pack
Air Filter 18 X 18
$69.94
Merv 8 Pleated Air Filter - 18" x 24" x 1"
Air Filter 18 X 18
$185.71
Practical Pleated Air Filter (2-Pack) - 18" x 24" x 5"
Air Filter 18 X 18
$111.29
Merv 8 Pleated Air Filter - 18" x 21" x 1"
Air Filter 18 X 18
$188.29
Merv 11 Pleated Air Filter - 20" x 20" x 1"
Air Filter 18 X 18
$185.71
Practical Pleated Air Filter (2-Pack) - 18" x 21" x 5"
Air Filter 18 X 18
$240.00
Merv 8 Pleated Air Filter - 16" x 25" x 2"
Air Filter 18 X 18
$9.45
Sidewall Return Air Grille 18" X 12" White
Air Filter 18 X 18
$98.57
A+2000 Washable Electrostatic Permanent Custom Air Filter - 18" x 18" x 1"
Air Filter 18 X 18
$96.96
Merv 8 Pleated Air Filter - 12" x 18" x 1"
Air Filter 18 X 18
$111.29
Merv 8 Pleated Air Filter - 18" x 18" x 1"
Air Filter 18 X 18
$89.37
Merv 8 Pleated Air Filter - 10" x 18" x 1"
Air Filter 18 X 18
$154.29
Merv 8 Pleated Air Filter - 18" x 30" x 1"
Air Filter 18 X 18
$178.17
Merv 8 Pleated Air Filter - 6" x 30" x 1"
Air Filter 18 X 18
$32.17
$32.74
You save
$0.57
$355.23
Merv 13 Pleated Air Filter - 18" x 24" x 1"
Air Filter 18 X 18
$111.29
Merv 8 Pleated Air Filter - 18" x 19" x 1"
Air Filter 18 X 18
$278.50
Merv 8 Pleated Air Filter - 36" x 36" x 1"
Air Filter 18 X 18
$89.37
Merv 8 Pleated Air Filter - 7" x 7" x 1"
Air Filter 18 X 18
$279.98
Airpura 18 lb. German Carbon Filter for G600
Air Filter 18 X 18
$267.70
12'' x 40'' Charco Filters Plus Activated Carbon Air Filter
Air Filter 18 X 18
$284.76
14'' x 40'' Charco Filters Plus Activated Carbon Air Filter
Air Filter 18 X 18
$1,099.00
30" x 48" x 6" HEPA Air Filter Aluminum Frame
Air Filter 18 X 18
$3.95
EZ Flow II Furnace Filter, Disposable, Fiberglass, 14 x 18 x 1-In.
Air Filter 18 X 18
$414.98
BUNDLE: Prefilter + 18 Lbs Carbon Filter + HEPA Filter
Air Filter 18 X 18
$534.98
BUNDLE: Prefilter + 18 lbs Carbon Filter + Super HEPA Filter
Air Filter 18 X 18
$83.94
18 1/2x22x1 - Air Filter
Air Filter 18 X 18
$34.99
Quest® MERV 13 Filter, Replacement Air Filter (18"x20"x2")
Air Filter 18 X 18
$32.99
Generic MERV 13 Pleated Air Filter, Replacement Air Filter (18"x20"x2")
Air Filter 18 X 18
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