Air Filters Made in the USA. Free Shipping to most U.S. states*. International shipping available.

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All of our current products.
171 products
UV Resistant A+2000 fits Honeywell 20x20x5
UV Resistant A+2000 fits Honeywell 20x20x5 (Actual Size: 19-1/2 x 20 x 4-3/8") Electrostatic Filter - Washable, Permanent
$147.15
6 pack blue/white polyester pads
(6 Pack) 1" Blue/White Polyester Air Filter Pads
$39.95
Practical Pleat Air Filter 2
Practical Pleat 2" Filter for 1" Return Grille - MERV 8 (4 Pack)
$119.81
Filter fits Carrier FILCCFNC0021, FILBBFNC0021, FILXXNC0021 - 19x20x4.25
A+2000 Washable Filter fits Carrier FILCCFNC0021, FILBBFNC0021, FILXXNC0021 - 19x20x4.25 ( actual size 19-7/8 x 19-1/8 x 4-1/4 ) - Washable - Permanent
$137.08
Practical Pleat Updraft 5
UPDRAFT Practical Pleat 5" Filter for Air Handler Filter Rack or Reverse Flow Systems - MERV 11 (2 Pack)
$134.76
Filtration Manufacturing HEPA Filter
Filtration Manufacturing HEPA Filters
$0.00
charcoal polyester filter pads odor control activated carbon
Smith Activated Charcoal Pleated Odor Control Filters MERV 8 (12 Pack for 1" or 2", 6 Pack for 4")
$173.75
Rensa SuperFlo Deep Pleat HEPA Filter RHP / RHP-X
Rensa SuperFlo Deep Pleat HEPA Filter RHP or RHP-X
$258.40
PreVent® Wrap-Around Coil Protector Screen for Outdoor AC Unit 38
Permatron PreVent® Wrap Around Coil Protector Screen for Outdoor AC Unit 38" x 110" SFPREVENTWA3
$54.88
High Temp Pleated Filters MERV 9 500˚ F
High Temp Pleated Filters MERV 10 500˚ F (12 Pack for 2", or 6 Pack for 4")
$224.66
Permatron DuraLo
Permatron DuraLo ™ 1" Corrosive and Marine Environment Air Filter - (High Flow, Low Resistance)
$55.17
Permatron DuraLo™ 2
Permatron DuraLo ™ 2" Corrosive and Marine Environment Air Filter - (High Flow, Low Resistance)
$81.17
Permatron DuraFoam™ Corrosive Marine Environment Air Filter MERV 6
Permatron DuraFoam™ Corrosive Marine Environment Air Filter MERV 6, 1" or 1/2", (Greater Arrestance)
$50.00
Permatron DuraLoft® Corrosive Marine Environment Air Filter MERV 5
Permatron DuraLoft® Corrosive Marine Environment Air Filter MERV 5, 1" or 2", (For High Moisture)
$55.91
PreVent Fan Filter Bonnet - Washable
PreVent® Bonnet Fan Filter for Front of Fan - Washable
$44.99
PreVent Fan Filter Bonnet - Disposable
PreVent® Fan Filter Bonnet for Front of Fan - Disposable (12 Pack)
$241.85
permatron dusteater filter
Permatron DustEater ® Filter MERV 6 - 1" or 2" Thick - Washable Electrostatic
$89.88
Permatron DustEater® Easy Flow Washable Electrostatic Air Filter
Permatron DustEater ® EASY FLOW High Air Flow Filter - 1", 2", or 1/2" Thick
$79.88
Smith Mech 8 washable filter
Smith Mech-8 Washable MERV 8 Filter - Antimicrobial
$50.00
rigid cell filter MERV 9 11 13 14 box high efficiency
Rigid Cell Filters - Choose Size, Header Type, MERV 9, 11, 13, 14
$90.83
A+2000 Electrostatic Filter fits Comfortmaker FEM4P4800AL
19-7/8 x 21-1/2 x 1" A+2000 Electrostatic Filter fits Comfortmaker FEM4P4800AL - Washable, Lifetime Warranty
$85.79
6
6" x 14" x 1" AirFlow Pleated Filters - MERV 10 - (12, 24, or 48 Pack) 6x14x1
$102.14
9
9" x 11" x 1" FMI Pro-Pleat Pleated Filters - MERV 8 (6 Pack) 9x11x1 Exact fits Santa Fe Dehumidifier
$69.88
19-3/8
19-3/8 x 29-3/8 x 1" A+2000 Electrostatic Filter - Washable, Permanent, Lifetime Warranty
$85.79
26.25 x 29.5 x 1 A+2000 Electrostatic Filter
26.25 x 29.5 x 1" A+2000 Electrostatic Filter - Washable, Permanent, Lifetime Warranty
$95.79
A+2000 fits Air Bear 16x25x5 229990-105 and 255649-105, Supreme (1400) 455602-119
A+2000 fits Air Bear 16x25x5 - Washable, Permanent, Electrostatic - 229990-105 and 255649-105, Supreme (1400) 455602-119
$124.88
A+2000 fits Air Bear 20x20x5 229990-103, 248713-103, 255649-103, 435790-001, 255149-003, 435790-029, Supreme 455604-001 and 455604-019, 455602-019, and 459200-005
A+2000 fits Air Bear 20x20x5 - Washable, Permanent, Electrostatic - 229990-103, 248713-103, 255649-103, 435790-001, 255149-003, 435790-029, Supreme 455604-001 and 455604-019, 455602-019, and 459200-005
$124.88
A+2000 fits Air Bear 20x25x5
A+2000 fits Air Bear 20x25x5 - Washable, Permanent, Electrostatic - (Actual Size 19 3/4" x 24 1/8" x 4 3/4")
$124.88
A+2000 Washable Filter fits Carrier KFAFK0412XXL size 21-1/2
21-1/2 x 23-1/2 x 1" A+2000 Washable Filter fits Carrier KFAFK0412XXL size - Electrostatic, MERV 8, Permanent, Lifetime Warranty 21.5 x 23.5 x 1
$85.79
21-1/2
21-1/2" x 23-1/2" x 1" FMI Pro-Pleat Pleated Filters fits Carrier KFAFK0412XXL - Choose MERV 8, 11, or 13 (12 Pack)
$165.50
Lennox Replacement Filters (2 Pack) 17x26x4 Part # 75X74, X6664, X6666 MERV 8, 11
Lennox Replacement Filters (2 Pack) 17x26x4 Part # 75X74, X6664, X6666 MERV 8, 11
$107.13
Lennox Replacement Filters (2 Pack) 20x20x5 fits Part# X0585, X8305, X8308, X7930, and X7935 MERV 8, 11
Lennox Replacement Filters (2 Pack) 20x20x5 fits Part# X0585, X8305, X8308, X7930, and X7935 MERV 8, 11
$79.45
Lennox Replacement Filters (2 Pack) 20X25X5 Part # X5426, X6661, X6673, X6675, X8304, X8307, and X7751 MERV 8, 11
Lennox Replacement Filters (2 Pack) 20x25x5 Fits Part# X5426, X6661, X6673, X6675, X8304, X8307, and X7751 MERV 8, 11
$87.85
Lennox Replacement Filters (2 Pack) 20x25x6 Fits Part# X0445, X4560, and X5424 Box-Type filter MERV 8, 11
Replacement Filters 20x25x6 Fits Lennox Part# X0445, X4560, and X5424 Box-Type filter MERV 8, 11 (2 Pack)
$98.13
Lennox Replacement Filters (2 Pack) 21x26x4 Part # X6667, X6669, and 75X67 MERV 8, 11
Lennox Replacement Filters (2 Pack) 21x26x4 Part # X6667, X6669, and 75X67 MERV 8, 11
$115.23
13x21.5x1 exact Pro-Pleat Pleated Filters MERV 8 (12 Pack)
13" x 21.5" x 1" FMI Pro-Pleat Pleated Filters MERV 8 (12 Pack)
$114.30
PreVent Fan Filter FanGuard for back fan intake - Washable
PreVent® Fan Guard Filter for Back of Fan Intake - Washable
$61.87
Field Controls Trio-1000P Air Purifier
Field Controls Trio-1000P Air Purifier - HEPA, UV, PCO, Odor Control, Air Monitoring, Motion Detector - Up to 1000sqft
$994.00
Fire Guard 'G' Galvanized Commercial Range Hood Grease Filter
Fire Guard 'G' Galvanized Commercial Range Hood Grease Filter by Smith - 2" Thick
$39.71
Thrifty Flame Stop 'A' Aluminum Commercial Range Hood Grease Filter
Thrifty Flame Stop 'A' Aluminum Commercial Range Hood Grease Filter by Smith - 1" Thick
$53.67
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