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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:


FiltersFast A12PR Replacement for Aprilaire 12, 440
(Aprilaire 12 1R)

The Aprilaire #12 Metal Humidifier Water Panel Filter is the correct compatible replacement for the following models of humidifiers: Aprilaire 112 Aprilaire 136 Aprilaire 224 Aprilaire 440 Aprilaire 445 Aprilaire 445A Chippewa 224 Chippewa


In stock! Ships in 1 business day.
FiltersFast A12PR Replacement for Aprilaire 12, 440
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


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Aprilaire 4331 Humidifier Water Distribution Tray
Our Price: $22.49
Retail: $24.99
You Save 10%!

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Aprilaire 4602 Ionizing Wire for Aprilaire 5000 3-Pack
(4602)

The Aprilaire 4602 Ionizing Wire for Aprilaire 5000 is an essential component to maintaining your humidifier.This wire generates an electrical field that is used to charge and trap particles. Please note that this ionizing wire is for use on Aprilai


In stock! Ships in 1 business day.
Aprilaire 4602 Ionizing Wire for Aprilaire 5000
Our Price: $49.47

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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.


Special Order. Ships in 9 days.
Aprilaire 60 Digital Humidistat Replacement for Aprilaire 58
Our Price: $81.80
Retail: $99.99
You Save 18%!

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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 3 days.
Aprilaire 4184 Water Distribution Tray Nozzle
Our Price: $15.99
Retail: $19.99
You Save 20%!

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American Standard BAYPAD01A1010A Paper Filter
(BAYPAD01A1010A 3R)

The American Standard 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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American Standard BAYPAD01A1010A Paper Filter
As Low As: $10.99
Retail: $19.99
You Save 45%!

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Aprilaire 4010 Humidifier Transformer Replacement
(4010)

The Aprilaire 4010 is the correct replacement for the following humidifiers:Aprilaire 400, 550, 550A, 558, 560, 560A, 568 and 600 Humidifier; Honeywell HE220, HE225, HE260 and HE265 Humidifier.


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Aprilaire 4010 Humidifier Transformer Replacement
Our Price: $14.95
Retail: $15.99
You Save 7%!

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Aprilaire EZ Kleen Filter Replacement 2-Pack 2-Pack
(5153)

The Aprilaire 5153 fits the following model ventilator: 8100 Energy Recovery Ventilator Aprilaire EZ Kleen Filter Replacement 2-Pack is a washable replacement filter.


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Aprilaire EZ Kleen Filter Replacement 2-Pack
Our Price: $43.00

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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 9 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 3 days.
Aprilaire 4335 Feed Tube Assembly with Sleeve
Our Price: $10.50

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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 1200 Commercial Humidifier Filter Pad Water Panel
(Aprilaire 1200)

This is an Aprilaire 1200 Humidifier Filter Pad Water Panel for various Aprilaire commercial humidifiers including the Aprilaire 1120 Humidifier, Aprilaire 1130 humidifier, and the Aprilaire 1140 humidifer. The Aprilaire water panel evaporator is th


Special Order. Ships in 3 days.
Aprilaire 1200 Commercial Humidifier Filter Pad Water Panel
Our Price: $62.95
Retail: $90.60
You Save 31%!

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Aprilaire 4223 Humidifier Drain Spud Kit 6-Pack
(Aprilaire 4223)

The Aprilaire 4223 Humidifier Drain Spud Kit is a humidifier component replacement kit used in all Aprilaire 500 Series and Aprilaire 600 Series humidifiers including the Aprilaire 500 Humidifier, Aprilaire 550 Humidifier, Aprilaire 550A humidifier,


Special Order. Ships in 3 days.
Aprilaire 4223 Humidifier Drain Spud Kit
Our Price: $23.94

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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


Special Order. Ships in 3 days.
Aprilaire 4238 Humidifier Circuit Board
Our Price: $52.95
Retail: $56.99
You Save 7%!

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Aprilaire 4732 Base for Aprilaire 700A 700M
(4732)

The Aprilaire 4732 is the correct replacement for the following humidifiers: Aprilaire Model 700A Humidifier Aprilaire Model 700M Humidifier


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Aprilaire 4732 Base for Aprilaire 700A 700M
Our Price: $73.99
Retail: $79.99
You Save 8%!

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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.


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Aprilaire 4785 Maintenance Kit with Water Panel 35
Our Price: $78.85
Retail: $99.99
You Save 21%!

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Aprilaire 4232 Humidifier Orifice Blue
(Aprilaire 4232)

This Aprilaire 4232 Humidifier Orifice (Blue) is used in many Aprilaire humidifiers including the following Aprilaire humidifier models: Aprilaire 350 Humidifier, Aprilaire 360 Humidifier, Aprilaire 440 Humidifier, Aprilaire 700 Humidifier, Aprilair


In stock! Ships in 1 business day.
Aprilaire 4232 Humidifier Orifice Blue
Our Price: $3.30
Retail: $5.99
You Save 45%!

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

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Aprilaire 4247 Humidifier Fan Blade Replacement
(4247)

The Aprilaire 4247 Humidifier Fan Blade is a genuine replacement for your Aprilaire whole house humidifier system. This humidifier fan blade keeps your Aprilaire 700 series humidifier system working at its best.


Special Order. Ships in 3 days.
Aprilaire 4247 Humidifier Fan Blade Replacement
Our Price: $22.39
Retail: $28.00
You Save 20%!

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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.


Special Order. Ships in 9 days.
Aprilaire 4258 Humidifier Control Relay
Our Price: $59.53
Retail: $92.75
You Save 36%!

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

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Aprilaire 4004 Humidifier Inline Strainer
(Aprilaire 4004)

This is an Aprilaire 4004 Humidifier Inline Strainer replacement that is a humidifier replacement component used in all Aprilaire humidifier models except for commercial units and residential models Aprilaire 110, Aprilaire 112, Aprilaire 445, April


In stock! Ships in 1 business day.
Aprilaire 4004 Humidifier Inline Strainer
Our Price: $7.65
Retail: $9.99
You Save 23%!

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Aprilaire 4040 Humidifier Solenoid Valve - 24 Volt
(Aprilaire 4040)

This is an Aprilaire 4040 Humidifier Solenoid Valve replacement that allows the water to come in to your Aprilaire humidifier. It is compatible for use in all Aprilaire humidifier models except for commercial units and residential models Aprilaire 1


In stock! Ships in 1 business day.
Aprilaire 4040 Humidifier Solenoid Valve - 24 Volt
Our Price: $81.49
Retail: $99.99
You Save 19%!

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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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