Furnace Filters & Accessories

AAF
220-800-051 Panel Air Filter, 25 x 20 x 1, Chipboard Frame
Sku: 11120004
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16 Available at
SAN MARCOS
$2.49

AAF
220-700-051 Panel Air Filter, 20 x 20 x 1, Chipboard Frame
Sku: 11120008
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18 Available at
SAN MARCOS
$2.49

AAF
116241 Panel Air Filter, 24 x 16 x 1, Chipboard Frame
Sku: 11120010
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11 Available at
SAN MARCOS
$2.49

AAF
220-600-051 Panel Air Filter, 25 x 16 x 1, Chipboard Frame
Sku: 11120012
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16 Available at
SAN MARCOS
$2.49

AAF
220-500-051 Panel Air Filter, 20 x 16 x 1, Chipboard Frame
Sku: 11120016
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12 Available at
SAN MARCOS
$2.49

Flanders
EZ Flow II 10055.011425 Panel Air Filter, 25 x 14 x 1, 4 MERV, Chipboard Frame
Sku: 11120024
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8 Available at
SAN MARCOS
$2.49

AAF
114201 Panel Air Filter, 20 x 14 x 1, Chipboard Frame
Sku: 11120028
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11 Available at
SAN MARCOS
$2.49

Flanders
NaturalAire 84858.01143 Pleated Air Filter, 30 x 14 x 1, 8 MERV, Clay Frame
Sku: 11120029
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8 Available at
SAN MARCOS
$5.99

Flanders
10055.01102 Furnace Air Filter, 20 x 10 x 1, 4 MERV, Chipboard Frame
Sku: 11120032
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4 Available at
SAN MARCOS
$2.49

Flanders
EZ Flow II 10055.011224 Furnace Air Filter, 24 x 12 x 1, 4 MERV, Chipboard Frame
Sku: 11120040
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17 Available at
SAN MARCOS
$2.49

Filtrete
9800DC-6 Micro Air Filter, 20 x 16 x 1, 11 MERV, Pleated Fabric Filter Media
Sku: 11120045
0 Available at
SAN MARCOS
$13.99

Filtrete
9802DC-6 Micro Air Filter, 20 x 20 x 1, 11 MERV, 90 % Filter Efficiency, Pleated Fabric Filter Media
Sku: 11120047
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5 Available at
SAN MARCOS
$13.99

Flanders
NaturalAire 84858.01162 Pleated Air Filter, 20 x 16 x 1, 8 MERV, Clay Frame
Sku: 11120048
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15 Available at
SAN MARCOS
$6.29

Filtrete
9803DC-6 Micro Air Filter, 25 x 20 x 1, 11 MERV, 90 % Filter Efficiency, Pleated Fabric Filter Media
Sku: 11120049
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4 Available at
SAN MARCOS
$13.99

Filtrete
9804DC-6 Micro Air Filter, 25 x 14 x 1, 11 MERV, 90 % Filter Efficiency, Pleated Fabric Filter Media
Sku: 11120050
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4 Available at
SAN MARCOS
$13.99

Filtrete
9812DC-6 Air Filter, 24 x 24 x 1, 11 MERV, 90 % Filter Efficiency, Cardboard Frame, White
Sku: 11120051
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6 Available at
SAN MARCOS
$13.99

Flanders
84858.01163 Pleated Air Filter, 25 x 16 x 1, 8 MERV
Sku: 11120052
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10 Available at
SAN MARCOS
$5.99

NaturalAire
84858.012020 Air Filter, 20 in L, 20 in W, 8 MERV, Clay Frame, For: Any Household HVAC System
Sku: 11120056
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20 Available at
SAN MARCOS
$5.99

Flanders
NaturalAire 84858.01203 Pleated Air Filter, 25 x 20 x 1, 8 MERV, Clay Frame
Sku: 11120060
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10 Available at
SAN MARCOS
$6.99

Flanders
SM100 Washable Furnace Air Filter, 30 x 20 x 1
Sku: 11120076
0 Available at
SAN MARCOS
$11.99

Flanders
EZ Flow II 10055.01122 Panel Air Filter, 20 x 12 x 1, Chipboard Frame
Sku: 11120100
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14 Available at
SAN MARCOS
$2.49

NaturalAire
84858.011420 Standard Air Filter, 20 x 14 x 1, 8 MERV
Sku: 11120104
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11 Available at
SAN MARCOS
$5.99

NaturalAire
84858.011425 Dirt Pleated Standard Capacity Air Filter, 25 x 14 x 1, 8 MERV
Sku: 11120108
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14 Available at
SAN MARCOS
$5.99

AAF
124241 Panel Air Filter, 24 x 24 x 1, Chipboard Frame
Sku: 11120116
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4 Available at
SAN MARCOS
$2.99

Flanders
NaturalAire 84858.01242 Pleated Air Filter, 24 x 24 x 1, 8 MERV, Clay Frame
Sku: 11120118
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9 Available at
SAN MARCOS
$6.99

NaturalAire
84858.011220 Standard Air Filter, 20 x 12 x 1, 8 MERV
Sku: 11120124
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6 Available at
SAN MARCOS
$5.99

Flanders
84858.011212 Pleated Air Filter, 12 x 12 x 1, 8 MERV
Sku: 11120125
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17 Available at
SAN MARCOS
$5.99

Flanders
NaturalAire 84858.011224 Pleated Air Filter, 24 x 12 x 1, 8 MERV, Clay Frame
Sku: 11120128
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14 Available at
SAN MARCOS
$5.99

Flanders
StrataDensity 220-208-051 Furnace Air Filter, 24 x 10 x 1, 4 MERV, Chipboard Frame
Sku: 11120132
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4 Available at
SAN MARCOS
$2.49

AAF
112301 Panel Air Filter, 30 x 12 x 1, Chipboard Frame
Sku: 11120144
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12 Available at
SAN MARCOS
$2.49

Flanders
E-Z Flow 10055.011236 Panel Air Filter, 36 x 12 x 1, 4 MERV, Cardboard Frame
Sku: 11120148
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14 Available at
SAN MARCOS
$2.49

AAF
114241 Panel Air Filter, 24 x 14 x 1, Chipboard Frame
Sku: 11120152
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6 Available at
SAN MARCOS
$2.49

AAF
114301 Panel Air Filter, 30 x 14 x 1, Chipboard Frame
Sku: 11120156
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12 Available at
SAN MARCOS
$2.49

Flanders
EZ Flow II 10055.011818 Panel Air Filter, 18 x 18 x 1, 4 MERV
Sku: 11120172
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9 Available at
SAN MARCOS
$2.49

AAF
118201 Panel Air Filter, 20 x 18 x 1, Chipboard Frame
Sku: 11120176
More Options
8 Available at
SAN MARCOS
$2.49

AAF
118241 Panel Air Filter, 24 in L, 18 in W, Chipboard Frame
Sku: 11120180
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9 Available at
SAN MARCOS
$2.49

AAF
120241 Panel Air Filter, 24 x 20 x 1, Chipboard Frame
Sku: 11120188
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11 Available at
SAN MARCOS
$2.49

AAF
120301 Panel Air Filter, 30 x 20 x 1, Chipboard Frame
Sku: 11120200
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10 Available at
SAN MARCOS
$3.49

AAF
124301 Panel Air Filter, 30 x 24 x 1, Chipboard Frame
Sku: 11120208
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11 Available at
SAN MARCOS
$3.49

AAF
112121 Panel Air Filter, 12 x 12 x 1, Chipboard Frame
Sku: 11120214
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16 Available at
SAN MARCOS
$2.49

NaturalAire
84858.01183 Air Filter, 30 x 18 x 1, 8 MERV, Cardboard Frame, Clay-Coated Frame
Sku: 11120222
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10 Available at
SAN MARCOS
$6.99

Flanders
84858.012030 Pleated Air Filter, 20 x 30 x 1, 8 MERV
Sku: 11120224
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17 Available at
SAN MARCOS
$7.99

Flanders
223-829-051 Furnace Air Filter, 36 x 24 x 1
Sku: 11120232
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15 Available at
SAN MARCOS
$3.49

Filtrete
2022DC-6 Electrostatic Air Filter, 30 x 20 x 1, 11 MERV, Fiber Filter Media
Sku: 11120258
More Options
5 Available at
SAN MARCOS
$18.99

Flanders
E-Z Flow 10055.011830 Panel Air Filter, 30 x 18 x 1, 4 MERV, Cardboard Frame
Sku: 36090102
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2 Available at
SAN MARCOS
$4.49

Flanders
84858.01243 Pleated Air Filter, 30 x 24 x 1, 8 MERV
Sku: 36090106
0 Available at
SAN MARCOS
$7.99

Filtrete
2000DC-6 Electrostatic Air Filter, 20 x 16 x 1, 11 MERV, Fiber Filter Media
Sku: 36090108
0 Available at
SAN MARCOS
$18.99

Filtrete
2001DC-6 Electrostatic Air Filter, 25 x 16 x 1, 11 MERV, Fiber Filter Media
Sku: 36090110
0 Available at
SAN MARCOS
$19.99