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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 4187 Humidifier Drain Spud
(4187)

The Aprilaire 4187 Humidifier Drain Spud attaches to the humidifier's base. The drain spud provides a connection for the 1/2" drain hose.


Special Order. Ships in 18 days.
Aprilaire 4187 Humidifier Drain Spud
Our Price: $6.98
Retail: $10.99
You Save 36%!

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Aprilaire 4021 Humidifier Orifice Red
(Aprilaire 4021)

The Aprilaire 4021 is the correct replacement for the following humidifiers: Aprilaire Model 112 Humidifier, Aprilaire Model 224 Humidifier


Special Order. Ships in 10 days.
Aprilaire 4021 Humidifier Orifice Red
Our Price: $7.95
Retail: $9.99
You Save 20%!

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Aprilaire 261 Spacegard 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


In stock! Ships in 1 business day.
Aprilaire 261 Spacegard 2600 Filter Media Replacement
Our Price: $649.90

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Aprilaire 4740 Humidifier Fan Relay for 700A 700M
(4740)

The Aprilaire 4740 is the correct replacement for the following humidifiers: Aprilaire Model 700A Humidifier Aprilaire Model 700M Humidifier


Special Order. Ships in 23 days.
Aprilaire 4740 Humidifier Fan Relay for 700A 700M
Our Price: $16.98
Retail: $22.99
You Save 26%!

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Aprilaire 4240 Humidifier Male Disconnect Assembly
(4240)

The Aprilaire 4240 Humidifier Male Disconnect Assembly is for use in your select 700 series Aprilaire whole-house humidifier. This item plugs into the humidifier base and will make contact with the female disconnect assembly.


Special Order. Ships in 10 days.
Aprilaire 4240 Humidifier Male Disconnect Assembly
Our Price: $27.95
Retail: $34.99
You Save 20%!

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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

Free shipping within the continental United States!

Special Order. Ships in 10 days.
Aprilaire 6303 Zone Control Panel
Our Price: $137.92
Retail: $161.99
You Save 15%!

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Aprilaire 2516 Whole House Air Purifier
(Aprilaire 2516)

Invite guests into your home with confidence when your household air is purified with the Aprilaire 2516.

Free shipping within the continental United States!

Special Order. Ships in 52 days.
Aprilaire 2516 Whole House Air Purifier
Our Price: $196.95
Retail: $226.95
You Save 13%!

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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


Special Order. Ships in 11 days.
Aprilaire 4238 Humidifier Circuit Board
Our Price: $53.95
Retail: $62.99
You Save 14%!

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Aprilaire 6508 Automatic Damper - 8"
(Aprilaire 6508)

The Aprilaire 6508 Automatic Damper - 8" measures 8 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 zone j

Free shipping within the continental United States!

Special Order. Ships in 15 days.
Aprilaire 6508 Automatic Damper - 8"
Our Price: $106.02
Retail: $129.99
You Save 18%!

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Aprilaire 4331 Humidifier Water Distribution Tray
(Aprilaire 4331)

This is an Aprilaire 4331 Humidifier Water Distribution Tray replacement for use in conjunction with the Aprilaire Water Panel Evaporator and the Aprilaire Scale Control Insert in the following Aprilaire 500 Series and Aprilaire 600 Series


Special Order. Ships in 19 days.
Aprilaire 4331 Humidifier Water Distribution Tray
Our Price: $23.49
Retail: $26.99
You Save 13%!

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Aprilaire 2210 Whole House Air Purifier
(Aprilaire 2210)

Enjoy the benefits of clean, purified air with the Aprilaire 2210.

Free shipping within the continental United States!

Special Order. Ships in 15 days.
Aprilaire 2210 Whole House Air Purifier
Our Price: $119.95
Retail: $128.95
You Save 7%!

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Aprilaire 4349 Humidifier Door Catch for 2200 2400 4-Pack 4-Pack
(4349)

The Aprilaire 4349 Humidifier Door Catch for 2200 2400 is a door catch replacement kit for Aprilaire humidifier models 2200 and 2400. This Aprilaire door catch is designed for new style doors. This Aprilaire kit includes a door catch, form seal, and


Special Order. Ships in 52 days.
Aprilaire 4349 Humidifier Door Catch for 2200 2400 4-Pack
Our Price: $24.80

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Aprilaire 4785 Maintenance Kit with Water Panel 35
(Aprilaire 4785)

The Aprilaire 350 / Aprilaire 360 Humidifier Maintenance Kit is a set of humidifier replacement parts for use with the Aprilaire 350 humidifier and Aprilaire 360 humidifier.

Free shipping within the continental United States!

Special Order. Ships in 29 days.
Aprilaire 4785 Maintenance Kit with Water Panel 35
Our Price: $79.85
Retail: $99.99
You Save 20%!

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Aprilaire 4670 Powered Humidifier Motor
(4670)

The Aprilaire 4670 is the correct replacement for the following humidifiers: Aprilaire Model 700A Humidifier Aprilaire Model 700M Humidifier

Free shipping within the continental United States!

Special Order. Ships in 10 days.
Aprilaire 4670 Powered Humidifier Motor
Our Price: $144.57
Retail: $168.99
You Save 14%!

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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

Free shipping within the continental United States!

Special Order. Ships in 9 days.
Aprilaire 6404 - Zone Comfort Control Panel
Our Price: $249.95
Retail: $299.99
You Save 17%!

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Aprilaire 1510 Whole House Air Purifier
(Aprilaire 1510)

It's important to know exactly what's in your household air, and the Aprilaire 1510 offers you that peace of mind.

Free shipping within the continental United States!

Special Order. Ships in 15 days.
Aprilaire 1510 Whole House Air Purifier
Our Price: $141.95
Retail: $163.95
You Save 13%!

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Aprilaire 1310 Whole House Air Purifier
(Aprilaire 1310)

Let the air you breathe every day be as clean and odor-free as it can be using the Aprilaire 1310.

Free shipping within the continental United States!

In stock! Ships in 1 business day.
Aprilaire 1310 Whole House Air Purifier
Our Price: $107.95
Retail: $124.95
You Save 14%!

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Aprilaire 60 Digital Humidistat Replacement for Aprilaire 58
(Aprilaire 58)

The AprilAire 58 Automatic Humidistat Control is the replacement component on AprilAir humidifiers 76, 110, 112, 220, 224, 360, 400, 400A, 440, 445, 448, 500, 500A 500M, 550, 558, 560, 568, 600, 600A, 600M, 700, 700A, 700M and 760.

Free shipping within the continental United States!

Special Order. Ships in 17 days.
Aprilaire 60 Digital Humidistat Replacement for Aprilaire 58
Our Price: $99.95
Retail: $119.99
You Save 17%!

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Aprilaire 4235 Humidifier Water Feed Tube
(Aprilaire 4235)

This is an Aprilaire 4235 Humidifier Water Feed Tube and Sleeve replacement for use with the following Aprilaire 700 Series humidifiers: Aprilaire 700, Aprilaire 700A, Aprilaire 700M Humidifier, Aprilaire 760, Aprilaire 760A, Aprilaire 768 Humidifie


Special Order. Ships in 12 days.
Aprilaire 4235 Humidifier Water Feed Tube
Our Price: $14.95
Retail: $16.99
You Save 12%!

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Aprilaire 910 Air Filter Media for Model 1910 - MERV 11
(Aprilaire 910)

Improve the quality of your household air with this incredible Aprilaire 910.

Free shipping within the continental United States!

Special Order. Ships in 10 days.
Aprilaire 910 Air Filter Media for Model 1910 - MERV 11
Our Price: $407.95
Retail: $469.95
You Save 13%!

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Aprilaire RF09550P True HEPA Air Purifier Replacement Filter
(Aprilaire RF09550P)

Simply replacing your filter with the Aprilaire RF09550P can make a noticeable difference in household cleanliness!

Free shipping within the continental United States!

Special Order. Ships in 72 days.
Aprilaire RF09550P True HEPA Air Purifier Replacement Filter
Our Price: $119.95
Retail: $137.95
You Save 13%!

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Aprilaire 2216 Whole House Air Purifier
(Aprilaire 2216)

Keep allergens and contaminants out your home with the Aprilaire 2216.

Free shipping within the continental United States!

Special Order. Ships in 14 days.
Aprilaire 2216 Whole House Air Purifier
Our Price: $161.95
Retail: $186.95
You Save 13%!

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Aprilaire 6608 Auto Motorized Vent Damper - 8"
(Aprilaire 6608)

The Aprilaire 6608 Auto Motorized Vent Damper - 8" measures 8 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

Free shipping within the continental United States!

Special Order. Ships in 22 days.
Aprilaire 6608 Auto Motorized Vent Damper - 8"
Our Price: $113.95
Retail: $131.95
You Save 14%!

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Aprilaire 4407 Humidifier Water Distribution Tray
(4407)

The Aprilaire 4407 is the correct replacement for the following humidifiers: April Model 400 Humidifier


Special Order. Ships in 11 days.
Aprilaire 4407 Humidifier Water Distribution Tray
Our Price: $21.95
Retail: $24.99
You Save 12%!

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BestAir A10WPR Replacement for American Standard BAYPAD01A1010A
(BAYPAD01A1010A 3R)

The BestAir A10WPR Paper Water Panel Filter features honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home.


In stock! Ships in 1 business day.
BestAir A10WPR Replacement for American Standard BAYPAD01A1010A
As Low As: $11.99
Retail: $19.99
You Save 40%!

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