4-Inch OEM & Generic Replacement Air Filters

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Aprilaire 1213 MERV 13 Expandable Upgrade Kit Our Price: $75.00		Aprilaire 1413 MERV 13 Expandable Upgrade Kit Our Price: $75.00		Aprilaire 210 MERV 11 Expandable Filter Our Price: $35.00 (7)

Aprilaire 1213 Upgrade Kit Nominal Expanded Size: 20" x 25" x 4" Exact Collapsed Size: 26" x 4" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Advanced		Aprilaire 1413 Upgrade Kit Nominal Expanded Size: 16" x 27" x 4" Exact Collapsed Size: 28" x 4" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Advanced		Aprilaire 210 Expandable Filter Nominal Expanded Size: 20" x 25" x 4" Exact Collapsed Size: 26" x 4" Filter Rating: MERV 11 Expected Duration: 6 to 12 months Allergen Grade: Basic


Aprilaire 210 MERV 11 Expandable Filter (2 Pack) Our Price: $68.00 (3)		Aprilaire 213 MERV 13 Expandable Filter Our Price: $38.00 (3)		Aprilaire 213 MERV 13 Expandable Filter (2 Pack) Our Price: $71.00

Aprilaire 210 Expandable Filter (2 PACK) Nominal Expanded Size: 20" x 25" x 4" Exact Collapsed Size: 26" x 4" Filter Rating: MERV 11 Expected Duration: 6 to 12 months Allergen Grade: Basic		Aprilaire 213 Expandable Filter Nominal Expanded Size: 20" x 25" x 4" Exact Collapsed Size: 26" x 4" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Advanced		Aprilaire 213 Expandable Filter (2 Pack) Nominal Expanded Size: 20" x 25" x 4" Exact Collapsed Size: 26" x 4" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Advanced


Aprilaire 310 MERV 11 Expandable Filter Our Price: $34.00 (4)		Aprilaire 313 MERV 13 Expandable Filter Our Price: $38.00		Aprilaire 413 MERV 13 Expandable Filter Our Price: $38.00

Aprilaire 310 Expandable Filter Nominal Expanded Size: 19" x 20" x 4" Exact Collapsed Size: 20" x 4" Filter Rating: MERV 11 Expected Duration: 6 to 12 months Allergen Grade: Basic		Aprilaire 313 Expandable Filter Nominal Expanded Size: 19" x 20" x 4" Exact Collapsed Size: 20" x 4" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Basic		Aprilaire 413 Expandable Filter Nominal Expanded Size: 16" x 27" x 4" Exact Collapsed Size: 28" x 4" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Advanced


Aprilaire 610 MERV 11 Expandable Filter Our Price: $37.00		Aprilaire 613 MERV 13 Expandable Filter Our Price: $39.00 (2)		Aprilaire 810 MERV 11 Expandable Filter Our Price: $37.00 (1)

Aprilaire 610 Expandable Filter Nominal Expanded Size: 16"" x 25"" x 4"" Exact Collapsed Size: 26"" x 4.25"" Filter Rating: MERV 11 Expected Duration: 6 to 12 months Allergen Grade: Basic		Aprilaire 613 Expandable Filter Nominal Expanded Size: 16"" x 25"" x 4"" Exact Collapsed Size: 26"" x 4.25"" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Basic		Aprilaire 810 Expandable Filter Nominal Expanded Size: 20"" x 25"" x 4"" Exact Collapsed Size: 26"" x 4.25"" Filter Rating: MERV 11 Expected Duration: 6 to 12 months Allergen Grade: Basic


Aprilaire 813 MERV 13 Expandable Filter Our Price: $41.00		Bryant 16x25x4 GAPBBCAR1625 MERV 15 Box Filter Our Price: $130.00		Bryant 20x25x4 GAPBBCAR2025 MERV 15 Box Filter Our Price: $140.00

Aprilaire 813 Expandable Filter Nominal Expanded Size: 20"" x 25"" x 4"" Exact Collapsed Size: 26"" x 4.25"" Filter Rating: MERV 13 Expected Duration: 6 to 12 months Allergen Grade: Basic		Bryant GAPBBCAR1625 Box Filter Nominal Size: 16" x 25" x 4" Exact Size: 17" x 24.5" x 3.625" Filter Rating: MERV 15 Expected Duration: 6 to 12 months OEM For: Bryant & Carrier Allergen Grade: Premium		Bryant GAPBBCAR2025 Box Filter Nominal Size: 20" x 25" x 4" Exact Size: 20.625" x 24.5" x 3.625" Filter Rating: MERV 15 Expected Duration: 6 to 12 months OEM For: Bryant & Carrier Allergen Grade: Premium


Carrier 16x25x4 GAPCCCAR1625 MERV 15 Box Filter Our Price: $130.00		Carrier 20x25x4 GAPCCCAR2025 MERV 15 Box Filter Our Price: $140.00		Carrier/Bryant FILXXFNC0014 OEM Filter 2 Pack Our Price: $65.50

Carrier GAPCCCAR1625 Box Filter Nominal Size: 16" x 25" x 4" Exact Size: 17" x 24.5" x 3.625" Filter Rating: MERV 15 Expected Duration: 6 to 12 months OEM For: Bryant & Carrier Allergen Grade: Premium		Carrier GAPCCCAR2025 Box Filter Nominal Size: 20" x 25" x 4" Exact Size: 20.625" x 24.5" x 3.625" Filter Rating: MERV 15 Expected Duration: 6 to 12 months OEM For: Bryant & Carrier Allergen Grade: Premium		Carrier/Bryant FILXXFNC0014 (2 Pack) OEM Product Merv 8 Nominal Size: 12' x 20" x 5" Exact Size: 121/8 x 20 x 4.25 Expected Duration: 6 Months Fits FNCCAB-0014 Filtration System


Carrier/Bryant FILXXFNC0017 OEM Filter 2 Pack Merv 8 Our Price: $65.50 (1)		Carrier/Bryant FILXXFNC0021 OEM Filter 2 Pack Merv 8 Our Price: $66.00		Carrier/Bryant FILXXFNC0024 OEM Filter 2 Pack Merv 8 Our Price: $78.50

Carrier/Bryant FILXXFNC0017 (2 Pack) OEM Product Merv 8 Nominal Size: 16 x 20 x 5 Exact Size: 161/8 x 19.75 x 4.25 Expected Duration: 6 Months		Carrier/Bryant FILXXFNC0021 (2 Pack) OEM Product Merv 8 Nominal Size:19x 20x 5 Exact Size: 19.5 x 19.75 x 4.25 Expected Duration: 6 Months		Carrier/Bryant FILXXFNC0024 (2 Pack) OEM Product Merv 8 Nominal Size:20 x 23 x 5 Exact Size:19.5" x 225/8" x 4.25'' Expected Duration: 6 Months


Carrier/Bryant FILXXFNC0114 OEM Filter 2 Pack Merv 11 Our Price: $74.00		Carrier/Bryant FILXXFNC0117 OEM Filter 2 Pack Merv 11 Our Price: $73.00		Carrier/Bryant FILXXFNC0121 OEM Filter 2 Pack Merv 11 Our Price: $76.00

Carrier/Bryant FILXXFNC0114 (2 Pack) OEM Product Merv 11 Nominal Size: 12'' x 20'' x 5 Exact Size: 12.5" x 20" x 4.25" Expected Duration: 6 Months Fits: FNCCAB-0014		Carrier/Bryant FILXXFNC0117 (2 Pack) OEM Product Merv 11 Nominal Size: 16 x 20 x 5 Exact Size: 15.5 x 20 x 4.25 Expected Duration: 6 Months		Carrier/Bryant FILXXFNC0121 (2 Pack) OEM Product Merv 11 Nominal Size: 19 x 20 x 5 Exact Size: 19.5 x 19.75 x 4.25 Expected Duration: 6 Months Fits FNCCAB-0021


Carrier/Bryant FILXXFNC0124 OEM Filter 2 Pack Merv 11 Our Price: $93.00		Honeywell 12 x 12 FC40R-1094 MERV 10 Return Grille Filter Our Price: $40.00		Honeywell 12 x 12 FC40R-1094 MERV 11 Return Grille Filter 2 pack with Free Shipping Our Price: $96.00

Carrier/Bryant FILXXFNC0124 (2 Pack) OEM Product Merv 11 Nominal Size: 20" x 23" x 5" Exact Size: 19.5 x 22.75 x 4.25 Expected Duration: 6 Months Fits FNCCAB-0024		Honeywell FC40R-1094 Return Grille Filter Nominal Size: 12" x 12" x 4" Exact Outer Size: 11.75" x 11.75" x 4.375" Exact Inner Size: 10.5" x 10.5" x 3.5" Filter Rating: MERV 10 Expected Duration: 6 to 12 months Allergen Grade: Basic		Honeywell FC40R-1094 Return Grille Filter 2 Pack with Free Shipping Nominal Size: 12" x 12" x 4" Exact Outer Size: 11.75" x 11.75" x 4.375" Exact Inner Size: 10.5" x 10.5" x 3.5" Filter Rating: MERV 11 Expected Duration: 6 to 12 months Allergen Grade: Basic FREE Shipping


Honeywell 12 x 24 FC40R-1037 MERV 10 Return Grille Filter Our Price: $40.00		Honeywell 12 x 24 FC40R-1037 MERV 10 Return Grille Filter 2 Pack with Free Shipping Our Price: $96.00		Honeywell 14 x 14 FC40R-1102 MERV 11 Return Grille Filter Our Price: $40.00

Honeywell FC40R-1037 Return Grille Filter Nominal Size: 12" x 24" x 4" Exact Outer Size: 11.75" x 23.75" x 4.375" Exact Inner Size: 10.5" x 22.5" x 3.5" Filter Rating: MERV 10 Expected Duration: 6 to 12 months Allergen Grade: Basic		Honeywell FC40R-1037 2 Pack with Free Shipping Return Grille Filter Nominal Size: 12" x 24" x 4" Exact Outer Size: 11.75" x 23.75" x 4.375" Exact Inner Size: 10.5" x 22.5" x 3.5" Filter Rating: MERV 10 Expected Duration: 6 to 12 months Allergen Grade: Basic FREE Shipping		Honeywell FC40R-1102 Return Grille Filter Nominal Size: 14" x 14" x 4" Exact Outer Size: 13.75" x 13.75" x 4.375" Exact Inner Size: 12.5" x 12.5" x 3.5" Filter Rating: MERV 11 Expected Duration: 6 to 12 months Allergen Grade: Basic