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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:


BestAir A10WPR Replacement for Trane BAYPAD01A1010A Filter
(BAYPAD01A1010A 2R)

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

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BestAir A10WPR Replacement for Bryant P110-0007 Humidifier Filter
(Bryant P110-0007 1R)

This BestAir paper evaporator pad has a honeycomb-shaped filtration media that is specifically designed to trap mineral impurities and pollutants found in your water.


In stock! Ships in 1 business day.
BestAir A10WPR Replacement for Bryant P110-0007 Humidifier Filter
Our Price: $15.99
Retail: $19.99
You Save 20%!

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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


In stock! Ships in 1 business day.
Aprilaire 4217 Humidifier Scale Control Insert
Our Price: $51.95
Retail: $61.99
You Save 16%!

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Aprilaire 513 Air Filter Media Replacement - 1510, 2516
(Aprilaire 513)

Your home is your largest investment, so give it the best air quality with this Aprilaire 513. This genuine replacement air filter boasts an impressive MERV rating of 13.


Out of stock
Aprilaire 513 Air Filter Media Replacement - 1510, 2516
Our Price: $62.95
Retail: $74.99
You Save 16%!

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

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Aprilaire 4226 Humidifier Water Feed Tube & Sleeve
(Aprilaire 4226)

This is an Aprilaire 4226 Humidifier Water Feed Tube and Sleeve replacement for use with the following Aprilaire 500 Series humidifiers: Aprilaire 550, Aprilaire 550A, Aprilaire 558 Humidifier, Aprilaire 560, Aprilaire 560A, Aprilaire 568 Humidifier


Special Order. Ships in 9 days.
Aprilaire 4226 Humidifier Water Feed Tube & Sleeve
Our Price: $51.95
Retail: $61.99
You Save 16%!

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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 11 days.
Aprilaire 4235 Humidifier Water Feed Tube
Our Price: $13.95
Retail: $16.99
You Save 18%!

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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 9 days.
Aprilaire 4330 Humidifier Scale Control Insert
Our Price: $79.92

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

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Aprilaire 560 Humidifier Water Distribution Tray
(Aprilaire 4277)

This is an Aprilaire 560 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 560 Series humidifiers: Aprilaire 560, Aprilaire 560A,


Special Order. Ships in 10 days.
Aprilaire 560 Humidifier Water Distribution Tray
Our Price: $56.49
Retail: $66.99
You Save 16%!

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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
Retail: $12.99
You Save 19%!

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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 10 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 10 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 9 days.
Aprilaire 4231 Humidifier Orifice Yellow
Our Price: $39.60

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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


Special Order. Ships in 15 days.
Aprilaire 4232 Humidifier Orifice Blue
Our Price: $3.30
Retail: $5.99
You Save 45%!

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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 10 days.
Aprilaire 1200 Commercial Humidifier Filter Pad Water Panel
Our Price: $62.95
Retail: $90.99
You Save 31%!

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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


Special Order. Ships in 8 days.
Aprilaire 261 Spacegard 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: $53.95
Retail: $74.99
You Save 28%!

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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.


Special Order. Ships in 8 days.
Aprilaire 4732 Base Replacement for Aprilaire 4245
Our Price: $73.99
Retail: $99.99
You Save 26%!

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Aprilaire 4005 Water Solenoid Valve Assembly
(4005)

The Aprilaire 4005 is the correct replacement for the following humidifiers: Aprilaire Model 110 Humidifier Aprilaire Model 112 Humidifier


Special Order. Ships in 11 days.
Aprilaire 4005 Water Solenoid Valve Assembly
Our Price: $74.99
Retail: $89.99
You Save 17%!

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Aprilaire 4007 Humidifier Orifice White 12-Pack
(4007)

The Aprilaire 4007 is the correct replacement for the following humidifiers: Aprilaire Model 110 Humidifier Aprilaire Model 220 Humidifier


Special Order. Ships in 11 days.
Aprilaire 4007 Humidifier Orifice White
Our Price: $35.88

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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 8 days.
Aprilaire 4021 Humidifier Orifice Red
Our Price: $7.75
Retail: $9.99
You Save 22%!

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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 8 days.
Aprilaire 4031 Humidifier Cork Motor Isolator
Our Price: $53.94

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Aprilaire 4185 Humidifier Baffle Replacement
(4185)

The Aprilaire 4185 Humidifier Baffle Replacement attaches to the inside of the humidifier's housing and holds the water feed nozzle in place.


Special Order. Ships in 5 days.
Aprilaire 4185 Humidifier Baffle Replacement
Our Price: $14.69
Retail: $22.99
You Save 36%!

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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 11 days.
Aprilaire 4187 Humidifier Drain Spud
Our Price: $5.98
Retail: $10.99
You Save 46%!

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