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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.


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Aprilaire filters product list


Aprilaire 4031 Humidifier Cork Motor Isolator 6-Pack
(4031)

The Aprilaire 4031 is the correct replacement for the following humidifiers: Aprilaire Model 700 Humidifier Aprilaire Model 700 Humidifier Aprilaire Model 700M Humidifier Aprilaire Model 760 Humidifier Aprilaire Model 760A Humidifier


Special Order. Ships in 6 days.
Aprilaire 4031 Humidifier Cork Motor Isolator
Our Price: $53.94

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Aprilaire 4184 Water Distribution Tray Nozzle
(Aprilaire 4184)

This is an Aprilaire 4184 Water Distribution Tray Nozzle replacement for the Aprilaire 350 Humidifier, Aprilaire 360 Humidifier, Aprilaire 550 Humidifier, Aprilaire 560 Humidifier, Aprilaire 560A Humidifier, and Aprilaire 568 Humidifier. It fits Apr


Special Order. Ships in 9 days.
Aprilaire 4184 Water Distribution Tray Nozzle
Our Price: $15.99
Retail: $19.99
You Save 20%!

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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 9 days.
Aprilaire 4235 Humidifier Water Feed Tube
Our Price: $13.95
Retail: $14.99
You Save 7%!

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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 humidif


Special Order. Ships in 10 days.
Aprilaire 4331 Humidifier Water Distribution Tray
Our Price: $22.49
Retail: $24.99
You Save 10%!

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Aprilaire 4330 Humidifier Scale Control Insert 8-Pack
(Aprilaire 4330)

This is an Aprilaire 4330 Humidifier Scale Control Insert replacement for use in conjunction with the Aprilaire Water Panel Evaporator and the Aprilaire Water Distribution Tray in the following Aprilaire humidifiers: Aprilaire 600 Humidifiers, April


Special Order. Ships in 7 days.
Aprilaire 4330 Humidifier Scale Control Insert
Our Price: $79.92

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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 7 days.
Spacegard Aprilaire 2600 Filter Media Replacement
Our Price: $639.90

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Aprilaire Humidifier Solenoid Valve for 350 & 360
(Aprilaire 4191)

The Aprilaire Humidifier Solenoid Valve is also known as Aprilaire 4191.


Special Order. Ships in 9 days.
Aprilaire Humidifier Solenoid Valve for 350 & 360
Our Price: $54.98
Retail: $74.99
You Save 27%!

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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.


Special Order. Ships in 9 days.
Aprilaire 4785 Maintenance Kit with Water Panel 35
Our Price: $78.85
Retail: $99.99
You Save 21%!

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Aprilaire 4246 Humidifier Water Distribution Tray
(Aprilaire 4246)

This is an Aprilaire 760 Humdifier Water Distribution Tray replacement for use with the Aprilaire 35 Water Panel Evaporator and the Aprilaire 4236 Scale Control Insert in the following Aprilaire 760 Series humidifiers: Aprilaire 700, Aprilaire 760,


Special Order. Ships in 6 days.
Aprilaire 4246 Humidifier Water Distribution Tray
Our Price: $16.95
Retail: $19.99
You Save 15%!

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Aprilaire 4335 Feed Tube Assembly with Sleeve
(Aprilaire 4335)

This is an Aprilaire 4335 Humidifier Water Feed Tube and Sleeve replacement for use with the following Aprilaire humidifiers: Aprilaire 400, Aprilaire 400A, Aprilaire 400M Humidifier, Aprilaire 500 Humidifier, Aprilaire 500A Humidifier, Aprilaire 50


Special Order. Ships in 12 days.
Aprilaire 4335 Feed Tube Assembly with Sleeve
Our Price: $10.50

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Aprilaire 4236 Humidifier Scale Control Insert 12-Pack
(Aprilaire 4236)

This is an Aprilaire 4236 Humidifier Scale Control Insert replacement for use in conjunction with the Aprilaire 35 Water Panel Evaporator and the Aprilaire 4277 Water Distribution Tray in the following Aprilaire humidifiers: Aprilaire 560 Humidifier


Special Order. Ships in 8 days.
Aprilaire 4236 Humidifier Scale Control Insert
Our Price: $143.40

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Aprilaire Humidifier Saddle Valve - Aprilaire 4001
(Aprilaire 4001)

This Aprilaire Humidifier Saddle Valve (Aprilaire 4001) is used with the Aprilaire 4040 Humidifier Solenoid Valve in numerous Aprilaire humidifier models. The Aprilaire Saddle Valve is a self tappin


Special Order. Ships in 9 days.
Aprilaire Humidifier Saddle Valve - Aprilaire 4001
Our Price: $10.95
Retail: $12.99
You Save 16%!

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Aprilaire 4231 Humidifier Orifice Yellow 12-Pack
(Aprilaire 4231)

This Aprilaire 4231 Humidifier Orifice (Yellow) is used in many Aprilaire humidifiers including the following Aprilaire humidifier models: Aprilaire 400 Humidifier, Aprilaire 400A Humidifier, Aprilaire 400M Humidifier, Aprilaire 500 Humidifier, Apri


Special Order. Ships in 10 days.
Aprilaire 4231 Humidifier Orifice Yellow
Our Price: $39.60

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Aprilaire 6220 20" Duct Static Bypass
(Aprilaire 6220)

The 20" Duct Static Bypass - Aprilaire 6220 is a static pressure bypass damper with a round shape. The Aprilaire static bypass measures 20 inches in diameter and provides a heightened level of control for your zoning applications. This 20" static by

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Aprilaire 6220 20" Duct Static Bypass
Our Price: $432.62
Retail: $449.99
You Save 4%!

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Aprilaire 8081 Temperature Sensor Module
(Aprilaire 8081)

The Aprilaire 8081 Temperature Sensor Module is designed for use with the Aprilaire model 8800 Universal Communicating Thermostat and supports one onboard and one external temperature sensor. This temperature module can be used to monitor temperatur

Free shipping within the continental United States!

Special Order. Ships in 10 days.
Aprilaire 8081 Temperature Sensor Module
Our Price: $90.95
Retail: $99.99
You Save 9%!

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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 15 days.
Aprilaire 6303 Zone Control Panel
Our Price: $136.92
Retail: $144.99
You Save 6%!

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Aprilaire 6210 - 10" Duct Static Bypass
(Aprilaire 6210)

The 10" Duct Static Bypass - Aprilaire 6210 is a static pressure bypass damper with a round shape. The Aprilaire static bypass measures 10 inches in diameter and provides a heightened level of control for your zoning applications. This 10" static by

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Aprilaire 6210 - 10" Duct Static Bypass
Our Price: $318.75
Retail: $329.99
You Save 3%!

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Aprilaire 6212 - 12" Duct Static Bypass
(Aprilaire 6212)

The 12" Duct Static Bypass - Aprilaire 6212 is a static pressure bypass damper with a round shape. The Aprilaire static bypass measures 12 inches in diameter and provides a heightened level of control for your zoning applications. This 12" static by

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Aprilaire 6212 - 12" Duct Static Bypass
Our Price: $321.59
Retail: $329.99
You Save 3%!

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Aprilaire 6214 - 14" Duct Static Bypass
(Aprilaire 6214)

The 14" Duct Static Bypass - Aprilaire 6214 is a static pressure bypass damper with a round shape. The Aprilaire static bypass measures 14 inches in diameter and provides a heightened level of control for your zoning applications. This 14" static by

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Aprilaire 6214 - 14" Duct Static Bypass
Our Price: $330.02

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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 7 days.
Aprilaire 6608 Auto Motorized Vent Damper - 8"
Our Price: $95.24
Retail: $99.99
You Save 5%!

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Aprilaire 6609 - Zone Control 9" Vent Damper
(Aprilaire 6609)

The Aprilaire 6609 - Zone Control 9" Vent Damper measures 9 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 an

Free shipping within the continental United States!

Special Order. Ships in 5 days.
Aprilaire 6609 - Zone Control 9" Vent Damper
Our Price: $89.89
Retail: $89.99
You Save 0%!

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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

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Aprilaire 6610 - 10" Zone Control Vent Damper
Our Price: $104.99
Retail: $109.99
You Save 5%!

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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 13 days.
Aprilaire 6404 - Zone Comfort Control Panel
Our Price: $230.99
Retail: $299.99
You Save 23%!

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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


Special Order. Ships in 9 days.
Aprilaire 6506 - 6" Automatic Vent Damper
Our Price: $80.00

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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 7 days.
Aprilaire 6508 Automatic Damper - 8"
Our Price: $105.02
Retail: $129.99
You Save 19%!

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