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Aprilaire entered the indoor air quality industry in 1938. Less than two decades later, they produced the first marketed, whole-home, evaporative humidifier in the United States. Since that time, they have expanded their product line to include not only humidifiers, but also air cleaners, dehumidifiers, thermostats, ventilation and zone control systems.

The company’s focus has always been to design, create and manufacture top level products to help improve indoor air quality. Commitment to discovering new, innovative ways to establish healthy indoor environments, whether in homes or businesses has contributed to Aprilaire remaining a leader in the HVAC industry.

When it is time to replace the filters on your Aprilaire products, such as humidifiers and air cleaners, make sure you choose genuine Aprilaire replacement filters and parts.


Aprilaire filters full product list:


Aprilaire 4258 Humidifier Control Relay
(4258)

The Aprilaire 4258 Humidifier Control Relay is used to turn on the fan motor or pump motor of your Aprilaire whole house humidifier. This humidifier relay kit works with your select commercial and residential model of humidifier.


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Aprilaire 4258 Humidifier Control Relay
Our Price: $59.53
Retail: $92.75
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Aprilaire 6303 Zone Control Panel
(Aprilaire 6303)

The Aprilaire 6303 Zone Control Panel is specially designed for use with single-stage compressor, heat pump systems only. The Aprilaire control panel provides independent control for each zone and assures air is directed to the last zone calling thr

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Special Order. Ships in 10 days.
Aprilaire 6303 Zone Control Panel
Our Price: $136.92
Retail: $144.99
You Save 6%!

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Aprilaire 6706 - 6" Round Damper - Slip-In
(Aprilaire 6706)

The Aprilaire 6706 - 6" Round Damper - Slip-In is a spring-return damper designed to be inserted in a six inch round branch duct. This HVAC damper helps zone your home without costly duct modification. The Aprilaire damper provides true comfort thro


Special Order. Ships in 9 days.
Aprilaire 6706 - 6" Round Damper - Slip-In
Our Price: $68.95
Retail: $79.99
You Save 14%!

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Aprilaire 4238 Humidifier Circuit Board
(4238)

The Aprilaire 4238 Humidifier Circuit board is a circuit board replacement for your whole- house, fan powered humidifier. This circuit board will keep your Aprilaire whole-house humidifier working at its best


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Aprilaire 4238 Humidifier Circuit Board
Our Price: $52.95
Retail: $56.99
You Save 7%!

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Aprilaire 4517 Humidifier Power Supply
(4517)

The Aprilaire 4517 Dehumidifier Power Supply is a key component to keeping your whole-house dehumidifier working properly. The 4517 power supply replacement keeps your Aprilaire whole-house dehumidifier working at its best.

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Special Order. Ships in 11 days.
Aprilaire 4517 Humidifier Power Supply
Our Price: $109.99
Retail: $199.99
You Save 45%!

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Trane BAYPAD01A1010A Paper Water Panel Filter
(BAYPAD01A1010A 2R)

The Trane BAYPAD01A1010A Paper Water Panel Filter features honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home.


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Trane BAYPAD01A1010A Paper Water Panel Filter
Our Price: $15.99
Retail: $19.99
You Save 20%!

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Aprilaire 6506 - 6" Automatic Vent Damper
(Aprilaire 6506)

The Aprilaire 6506 - 6" Automatic Vent Damper measures 6 inches in diameter and works well with either rigid metal or flex duct. The Aprilaire closed damper features adjustable blade positioning and an integrated foam seal for flexibility with any z


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Aprilaire 6506 - 6" Automatic Vent Damper
Our Price: $80.00

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Aprilaire 6735 Air Vent Damper - 10" x 16"
(Aprilaire 6735)

The Aprilaire 6735 is an automatic damper of the following size: 10 inches x 16 inches The Aprilaire 6735 Air Vent Damper - 10" x 16" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized d

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Aprilaire 6735 Air Vent Damper - 10" x 16"
Our Price: $155.86
Retail: $199.99
You Save 22%!

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Aprilaire 4237 Humidifier Motor Replacement
(4237)

The Aprilaire 4237 is a humidifier motor replacement for your select Aprilaire whole house humidifier. This motor will keep your humidifier working at its best. This replacement is very easy to install and will save you the time and money.

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Aprilaire 4237 Humidifier Motor Replacement
Our Price: $110.49
Retail: $126.50
You Save 13%!

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Aprilaire 4182 Humidifier Water Distribution Tray
(4182)

The Aprilaire 4182 Humidifier Water Distribution Tray evenly distributes water to all of the evaporative panel. The Aprilaire 4182 Water Distribution Tray attaches to the u-shaped scale control insert.


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Aprilaire 4182 Humidifier Water Distribution Tray
Our Price: $15.07
Retail: $25.00
You Save 40%!

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Spacegard Aprilaire 2600 Filter Media Replacement 10-Pack
(Aprilaire 261)

This genuine Spacegard Aprilaire 2600 Filter Media Replacement, also known as the Aprilaire 261 Filter, is the replacement filter used in the Spacegard Aprilaire 2600 Air Cleaner. The Aprilaire 261 Air Filter / Aprilaire 2600 Replacement Filter is a


Special Order. Ships in 9 days.
Spacegard Aprilaire 2600 Filter Media Replacement
Our Price: $639.90

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Aprilaire 4732 Base Replacement for Aprilaire 4245
(Aprilaire 4245)

The Aprilaire 700 Series Humidifier Cabinet Base is also known as Aprilaire 4245.


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Aprilaire 4732 Base Replacement for Aprilaire 4245
Our Price: $73.99
Retail: $99.99
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Aprilaire 6610 - 10" Zone Control Vent Damper
(Aprilaire 6610)

The Aprilaire 6610 is a round ventilation damper of the following size: 10 inches diameter The Aprilaire 6610 - 10" Zone Control Vent Damper is a motorized damper with durable 24 gauge construction. This automatic vent damper features a positi

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Special Order. Ships in 8 days.
Aprilaire 6610 - 10" Zone Control Vent Damper
Our Price: $101.95
Retail: $109.99
You Save 7%!

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FiltersFast A35PR Replacement for BDP P1103545 Filter
(BDP P1103545 1R)

The BDP P1103545 Metal Humidifier Water Panel Filter is the correct compatible replacement for the following models of humidifiers: BDP HUMBBLBP2317 BDP HUMBBLBP2317-A BDP HUMBBLFP1318A BDP HUMBBLBP2217-A BDP P110LFP1318 BDP P110LFP1318A


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FiltersFast A35PR Replacement for BDP P1103545 Filter
As Low As: $7.95
Retail: $9.99
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FiltersFast A12PR Replacement for SPACE-GARD 12
(SPACE-GARD 12 1R)

The Space-Gard 12 Humidifier Metal Water Panel Filter, or evaporator pad, is the correct compatible replacement for the Space-Gard 112, 136, 224, 440, 445, 445A, and 448 Furnace Humidifiers, and measures approximately 11-1/2" x 14-3/4" x 1-5/8".


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FiltersFast A12PR Replacement for SPACE-GARD 12
Our Price: $13.95
Retail: $14.99
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FiltersFast A12PR Replacement for Chippewa 224
(Chippewa 224 1R)

The Chippewa 224 Metal Humidifier Water Panel Filter measures 14-3/4" x 1-5/8" x 11-3/8" (approx.), and is the correct replacement evaporator pad for many humidifier models manufactured by Chippewa, AprilAire and Walton.


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FiltersFast A12PR Replacement for Chippewa 224
Our Price: $13.95
Retail: $14.99
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FiltersFast A12PR Replacement for Humid-Aire Neptune 1R
(HumidAire Neptune 1R)

The Humid-Aire Neptune Metal Water Panel Filter is the correct compatible replacement for the following models of humidifiers: Humid-Aire Neptune furnace humidifiers This metal Humid-Aire humidifier water panel has approximate dimensions of 11


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FiltersFast A12PR Replacement for Humid-Aire Neptune 1R
Our Price: $13.95
Retail: $14.99
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BDP P110-0007 Paper Humidifier Water Panel Filter
(BDP P110-0007 1R)

The BDP P110-0007 Paper Humidifier Water Panel Filter measures 9-7/16" x 10-1/16" x 1-5/8" (approx.) & is the correct filter for many humidifiers made by BDP, AprilAire, Healthy Climate, Hamilton, Lasko, Carrier, Autoflo, Bryant, Lennox and Totaline.


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BDP P110-0007 Paper Humidifier Water Panel Filter
Our Price: $15.99
Retail: $19.99
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Bryant P110-0007 Paper Humidifier Panel Filter
(Bryant P110-0007 1R)

The Bryant P110-0007 Paper Humidifier Evaporator Pad measures 9-7/16" x 10-1/16" x 1-5/8", and is the right replacement filter for many of AprilAire, Autoflo, BDP, Bryant, Carrier, Hamilton, Healthy Climate, Lasko, Lennox and Totaline humidifiers.


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Bryant P110-0007 Paper Humidifier Panel Filter
Our Price: $15.99
Retail: $19.99
You Save 20%!

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FiltersFast A10WPR Replacement For Bryant P110-1045
(Bryant P110-1045)

The FiltersFast A10WPR Replacement For Bryant P110-1045 Paper Water Panel Filter measures 9-1/2" x 9-3/4" x 1-1/2" and is the correct replacement filter for many humidifier models made by Lennox, Bryant, Lasko, Hamilton


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FiltersFast A10WPR Replacement For Bryant P110-1045
As Low As: $10.99
Retail: $19.99
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Aprilaire 4217 Humidifier Scale Control Insert
(Aprilaire 4217)

This is an Aprilaire 4217 Humidifier Scale Control Insert replacement for use with the Aprilaire 500 Humidifier Water Panel Evaporator (Aprilaire 10) and the Aprilaire 4218 Humidifier Water Distribution Tray in the following Aprilaire humidifiers: A


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Aprilaire 4217 Humidifier Scale Control Insert
Our Price: $51.95

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Space-Gard #12 Humidifier Water Panel Replacement
(Space-Gard 12 R)

The Space-Gard #12 is the compatible replacement for the following humidifiers: Space-Gard 112, 136, 224, 440, 445, 445A and 448 humidifiers.


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Space-Gard #12 Humidifier Water Panel Replacement
Our Price: $10.99
Retail: $14.99
You Save 27%!

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Aprilaire 6404 - Zone Comfort Control Panel
(Aprilaire 6404)

The Aprilaire 6404 - Zone Comfort Control Panel can be used for any type of zoning application from two to twelve zones. The Aprilaire control panel is configurable for single- or multi-stage, heat/cool or heat pump, and is ideal for use in resident

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Aprilaire 6404 - Zone Comfort Control Panel
Our Price: $228.95
Retail: $299.99
You Save 24%!

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Aprilaire 6707 - Slip-in Round 7" Damper
(Aprilaire 6707)

The Aprilaire 6707 - Slip-in Round 7" Damper is a spring-return damper designed to be inserted in a seveb inch round branch duct. This HVAC damper helps zone your home without costly duct modification. The Aprilaire damper provides true comfort thro


In stock! Ships in 1 business day.
Aprilaire 6707 - Slip-in Round 7" Damper
Our Price: $79.50
Retail: $79.99
You Save 1%!

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Aprilaire 6725 - Rectangular Damper 8" x 16"
(Aprilaire 6725)

The Aprilaire 6725 is an automatic damper of the following size: 8 inches x 16 inches The Aprilaire 6725 - Rectangular Damper 8" x 16" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized

Free shipping within the continental United States!

In stock! Ships in 1 business day.
Aprilaire 6725 - Rectangular Damper  8" x 16"
Our Price: $126.00
Retail: $149.99
You Save 16%!

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Filters Fast - Aprilaire filters

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