Furnace Filters

Filtrete - Allergen Defense 16" x 25" x 1" Pleated Air Filter, MERV 11, 4/Carton - White

(472 reviews from filtrete.com)

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Filtrete - 16 in. W X 20 in. H X 4 in. D Polypropylene 1550 MPR Pleated Air Filter 1 pk

(165 reviews from filtrete.com)

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Filtrete - Allergen Defense 12 in. W X 12 in. H X 1 in. D 1000 MPR Pleated Air Filter 1 pk

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Filtrete - 16 in. W X 25 in. H X 4-5/16 in. D Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

(208 reviews from filtrete.com)

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Filtrete - Allergen Defense 20" x 25" x 1" Pleated Air Filter, MERV 11 - Red

(472 reviews from filtrete.com)

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$21.59

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Filtrete - 14 in. W X 30 in. H X 1 in. D Synthetic 1500 MPR Pleated Ultra Allergen Filter 1 pk

(457 reviews from filtrete.com)

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$105.11

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Filtrete - High Performance 20" x 25" x 1" Pleated Air Filter, MERV 13 - Gold

(591 reviews from filtrete.com)

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Filtrete - Odor Reduction 30 in. W X 14 in. H X 1 in. D Carbon 1200 MPR Pleated Air Filter 1 pk

(116 reviews from filtrete.com)

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$81.84

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Filtrete - 12 in. W X 24 in. H X 1 in. D 300 MPR Pleated Air Filter 1 pk

(48 reviews from filtrete.com)

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Filtrete - 12 in. W X 20 in. H X 1 in. D 300 MPR Pleated Air Filter 1 pk

(48 reviews from filtrete.com)

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Filtrete - 24 in. W X 24 in. H X 1 in. D Polypropylene 8 MERV Air Filter 1 pk

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Filtrete - 16 in. W X 20 in. H X 2 in. D Polypropylene 1000 MPR Pleated Air Filter 1 pk

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Filtrete - 20 in. W X 25 in. H X 2 in. D Polypropylene 1550 MPR Pleated Air Filter 1 pk

(788 reviews from filtrete.com)

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Filtrete - Slim 25 in. W X 20 in. H X 4 in. D Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

(202 reviews from filtrete.com)

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Filtrete - 20 in. W X 20 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

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Filtrete - 23.8 in. H X 20.5 in. W Rectangular Air Purifier Filter 1 pk

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Filtrete - 20 in. W X 22 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

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$59.02

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Filtrete - 14 in. W X 20 in. H X 1 in. D Polypropylene 2200 MPR Pleated Allergen Air Filter 1 pk

(214 reviews from filtrete.com)

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$127.30

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Furnace Filters (131)

Filtrete - 16 in. W X 20 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete - Allergen Defense 16" x 25" x 1" Pleated Air Filter, MERV 11, 4/Carton - White

Filtrete - 16 in. W X 20 in. H X 4 in. D Polypropylene 1550 MPR Pleated Air Filter 1 pk

Filtrete - 20 in. W X 20 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete - Allergen Defense 12 in. W X 12 in. H X 1 in. D 1000 MPR Pleated Air Filter 1 pk

Filtrete - 16 in. W X 25 in. H X 4-5/16 in. D Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

Filtrete - 16 in. W X 25 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete - Allergen Defense 20" x 25" x 1" Pleated Air Filter, MERV 11 - Red

Filtrete - 14 in. W X 30 in. H X 1 in. D Synthetic 1500 MPR Pleated Ultra Allergen Filter 1 pk

Filtrete - High Performance 20" x 25" x 1" Pleated Air Filter, MERV 13 - Gold

Filtrete - Odor Reduction 30 in. W X 14 in. H X 1 in. D Carbon 1200 MPR Pleated Air Filter 1 pk

Filtrete - 12 in. W X 24 in. H X 1 in. D 300 MPR Pleated Air Filter 1 pk

Filtrete - 16 in. W X 25 in. H X 1 in. D 1000 MPR Pleated Air Filter 2 pk

Filtrete - 20 in. W X 30 in. H X 1 in. D 1000 MPR Pleated Air Filter 2 pk

Filtrete - 12 in. W X 20 in. H X 1 in. D 300 MPR Pleated Air Filter 1 pk

Filtrete - 24 in. W X 24 in. H X 1 in. D Polypropylene 8 MERV Air Filter 1 pk

Filtrete - 16 in. W X 20 in. H X 2 in. D Polypropylene 1000 MPR Pleated Air Filter 1 pk

Filtrete - 20 in. W X 25 in. H X 2 in. D Polypropylene 1550 MPR Pleated Air Filter 1 pk

Filtrete - Slim 25 in. W X 20 in. H X 4 in. D Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

Filtrete - 20 in. W X 25 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete - 20 in. W X 20 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete - 23.8 in. H X 20.5 in. W Rectangular Air Purifier Filter 1 pk

Filtrete - 20 in. W X 22 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete - 14 in. W X 20 in. H X 1 in. D Polypropylene 2200 MPR Pleated Allergen Air Filter 1 pk

Popular Furnace Filters

General Store - Broan-NuTone Replacement Aluminum Filter for 46000/42000/40000/F40000/BU2/BU3 Series

Filtrete - Allergen Defense 16 in. W X 25 in. H X 4 in. D Pleated 1000 MPR Pleated Allergen Air Filter

Cabana Air Filters - 6 Pack HVAC Furnace Air Filters, MERV 8, 20 x 20 x 1

Filtrete - Odor Reduction 30 in. W X 14 in. H X 1 in. D Carbon 1200 MPR Pleated Air Filter 1 pk

Filtrete - Allergen Defense 20" x 25" x 1" Pleated Air Filter, MERV 11

Filtrete - 13 in. H X 8.2 in. W Rectangular HEPA Air Purifier Filter 1 pk

3M - Filtrete 20 in. W X 25 in. H X 4 in. D Polyester 12 MERV Pleated Allergen Air Filter 1 pk

Filtrete - 23.8 in. H X 20.5 in. W Rectangular Air Purifier Filter 1 pk

Filtrete - Slim 25 in. W X 20 in. H X 4 in. D Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

General Store - AAF/FLANDERS Naturalaire Air Filter 18" X 20" X 1" Pleated MERV 8

3M - AIR FILTER 20x25x1 Inch, Allergen Defense, 1 Count, Pleated Paper, Compatible with Furnace

Filterbuy - 16x25x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Filtrete - 20 in. W X 25 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete - Allergen Defense 16" x 25" x 1" Pleated Air Filter, MERV 11, 4/Carton

Filterbuy - 16x25x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Best selling Furnace Filters

Flanders - EZ Flow II 14 in. W X 18 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk

Filterbuy - 24x36x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack)

Filterbuy - 12x24x1 MERV 10 Odor & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack)

Filterbuy - 30x32x2 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Filterbuy - 16x25x5 MERV 8 Dust & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Trion Air Bear (4-Pack)

Filterbuy - 21x21x5 MERV 8 Dust & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Rheem & Ruud (3-Pack)

Filterbuy - 16x26x5 MERV 8 Dust & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Electro-Air & More (3-Pack)

Filterbuy - 10x10x2 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Filterbuy - 20x20x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack)

Filterbuy - 20x30x5 MERV 11 Pet & Allergy Defense, Pleated HVAC AC Furnace Air Filters for Honeywell Return Grille (2-Pack)

Filterbuy - 17.5x21x5 MERV 11 Pet & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Rheem & Ruud (2-Pack)

Filterbuy - 30x30x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

Filterbuy - 18x28x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Filterbuy - 16x25x1 MERV 10 Odor & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack)

Filterbuy - 20x24x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack)

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