Furnace Filters & Accessories

AAF
220-800-051 Panel Filter, 25 in L, 20 in W, Chipboard Frame
Sku: 11120004
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15 Available at
SAN MARCOS
$2.49

AAF
220-700-051 Panel Filter, 20 in L, 20 in W, Chipboard Frame
Sku: 11120008
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16 Available at
SAN MARCOS
$2.49

AAF
116241 Panel Filter, 24 in L, 16 in W, Chipboard Frame
Sku: 11120010
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13 Available at
SAN MARCOS
$2.49

AAF
220-600-051 Panel Filter, 25 in L, 16 in W, Chipboard Frame
Sku: 11120012
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12 Available at
SAN MARCOS
$2.49

AAF
220-500-051 Panel Filter, 20 in L, 16 in W, Chipboard Frame
Sku: 11120016
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15 Available at
SAN MARCOS
$2.49

Flanders
EZ Flow II 10055.011425 Panel Filter, 14 in L, 25 in W, 4 MERV, Chipboard Frame
Sku: 11120024
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12 Available at
SAN MARCOS
$2.49

AAF
114201 Panel Filter, 20 in L, 14 in W, Chipboard Frame
Sku: 11120028
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2 Available at
SAN MARCOS
$2.49

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

Flanders
10055.01102 Furnace Filter, 10 in L, 20 in W, 4 MERV, Chipboard Frame
Sku: 11120032
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7 Available at
SAN MARCOS
$2.49

Flanders
EZ Flow II 10055.011224 Furnace Air Filter, 12 in L, 24 in W, 4 MERV, Chipboard Frame
Sku: 11120040
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18 Available at
SAN MARCOS
$2.49

Flanders
NaturalAire 84858.01162 Pleated Air Filter, 20 in L, 16 in W, 8 MERV, Clay Frame
Sku: 11120048
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2 Available at
SAN MARCOS
$5.99

Flanders
84858.01163 Pleated Air Filter, 25 in L, 16 in W, 8 MERV
Sku: 11120052
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5 Available at
SAN MARCOS
$5.99

Flanders
NaturalAire 84858.01203 Pleated Air Filter, 25 in L, 20 in W, 8 MERV, Clay Frame
Sku: 11120060
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5 Available at
SAN MARCOS
$5.99

Flanders
EZ Flow II 10055.01122 Panel Filter, 12 in L, 20 in W, Chipboard Frame
Sku: 11120100
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6 Available at
SAN MARCOS
$2.49

NaturalAire
84858.011420 Standard Air Filter, 14 in L, 20 in W, 8 MERV
Sku: 11120104
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14 Available at
SAN MARCOS
$5.99

AAF
124241 Panel Filter, 24 in L, 24 in W, Chipboard Frame
Sku: 11120116
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6 Available at
SAN MARCOS
$2.99

Flanders
NaturalAire 84858.01242 Pleated Air Filter, 24 in L, 24 in W, 8 MERV, Clay Frame
Sku: 11120118
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18 Available at
SAN MARCOS
$5.99

NaturalAire
84858.011220 Standard Air Filter, 12 in L, 20 in W, 8 MERV
Sku: 11120124
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8 Available at
SAN MARCOS
$5.99

Flanders
84858.011212 Pleated Air Filter, 12 in L, 12 in W, 8 MERV
Sku: 11120125
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16 Available at
SAN MARCOS
$5.99

Flanders
NaturalAire 84858.011224 Pleated Air Filter, 24 in L, 12 in W, 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 in L, 10 in W, 4 MERV, Chipboard Frame
Sku: 11120132
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3 Available at
SAN MARCOS
$2.49

AAF
112301 Panel Filter, 30 in L, 12 in W, Chipboard Frame
Sku: 11120144
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6 Available at
SAN MARCOS
$2.49

Flanders
E-Z Flow 10055.011236 Panel Filter, 36 in L, 12 in W, 4 MERV, Cardboard Frame
Sku: 11120148
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12 Available at
SAN MARCOS
$2.49

AAF
114241 Panel Filter, 24 in L, 14 in W, Chipboard Frame
Sku: 11120152
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11 Available at
SAN MARCOS
$2.49

AAF
114301 Panel Filter, 30 in L, 14 in W, Chipboard Frame
Sku: 11120156
0 Available at
SAN MARCOS
$2.49

Flanders
EZ Flow II 10055.011818 Panel Filter, 18 in L, 18 in W, 4 MERV
Sku: 11120172
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13 Available at
SAN MARCOS
$2.49

AAF
118201 Panel Filter, 20 in L, 18 in W, Chipboard Frame
Sku: 11120176
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11 Available at
SAN MARCOS
$2.49

AAF
118241 Panel 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 Filter, 24 in L, 20 in W, Chipboard Frame
Sku: 11120188
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12 Available at
SAN MARCOS
$2.49

AAF
120301 Panel Filter, 30 in L, 20 in W, Chipboard Frame
Sku: 11120200
0 Available at
SAN MARCOS
$3.49

AAF
124301 Panel Filter, 30 in L, 24 in W, Chipboard Frame
Sku: 11120208
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6 Available at
SAN MARCOS
$3.49

AAF
112121 Panel Filter, 12 in L, 12 in W, Chipboard Frame
Sku: 11120214
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4 Available at
SAN MARCOS
$2.49

NaturalAire
84858.01183 Air Filter, 30 in L, 18 in W, 8 MERV, Cardboard Frame, Clay-Coated Frame
Sku: 11120222
0 Available at
SAN MARCOS
$5.99

Flanders
84858.012030 Pleated Air Filter, 30 in L, 20 in W, 8 MERV
Sku: 11120224
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5 Available at
SAN MARCOS
$5.99

Flanders
223-829-051 Furnace Air Filter, 36 in L, 24 in W
Sku: 11120232
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4 Available at
SAN MARCOS
$3.49

Flanders
E-Z Flow 10055.011830 Panel Filter, 30 in L, 18 in W, 4 MERV, Cardboard Frame
Sku: 36090102
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8 Available at
SAN MARCOS
$4.49

Flanders
84858.01243 Pleated Air Filter, 30 in L, 24 in W, 8 MERV
Sku: 36090106
0 Available at
SAN MARCOS
$10.99

NaturalAire
85256.012030 Air Filter, 30 in L, 20 in W, 10 MERV
Sku: 36090402
0 Available at
SAN MARCOS
$11.99

NaturalAire
85256.012020 Microparticle Air Filter, 20 in L, 20 in W, 10 MERV, Clay Frame
Sku: 36090404
0 Available at
SAN MARCOS
$11.99

NaturalAire
95003.01203 Panel Filter, 20 in L, 30 in W, 13 MERV, Cardboard Frame
Sku: 36090406
0 Available at
SAN MARCOS
$22.99

NaturalAire
95003.01202 Panel Filter, 20 in L, 20 in W, 13 MERV, Cardboard Frame
Sku: 36090408
0 Available at
SAN MARCOS
$22.99

BestAir
HW2025-13R Air Filter, 24-5/8 in L, 19-3/4 in W, 13 MERV
Sku: 36090410
0 Available at
SAN MARCOS
$34.99

NaturalAire
85256.011620 Pleated Air Filter, 20 in L, 16 in W, 10 MERV, Clay Coated Frame
Sku: 36090412
0 Available at
SAN MARCOS
$11.99

NaturalAire
85256.011625 Pleated Air Filter, 25 in L, 16 in W, 10 MERV, Clay Coated Frame
Sku: 36090414
0 Available at
SAN MARCOS
$11.99

NaturalAire
95003.011625 Panel Filter, 16 in L, 25 in W, 13 MERV, Cardboard Frame
Sku: 36090416
0 Available at
SAN MARCOS
$22.99

NaturalAire
85256.011425 Pleated Air Filter, 25 in L, 14 in W, 10 MERV, Clay Coated Frame
Sku: 36090418
0 Available at
SAN MARCOS
$11.99

NaturalAire
95003.011620 Air Filter, 20 in L, 16 in W, 13 MERV, Clay Coated Frame, For: Household HVAC System
Sku: 36090420
0 Available at
SAN MARCOS
$22.99

Flanders
NaturalAire 87357.01162 Pleated Furnace Filter, 16 in L, 20 in W, 4 MERV, Craft Die Cut Frame
Sku: 36900100
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2 Available at
SAN MARCOS
$11.99