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

The BestAir A35PR humidifier filter has approximate dimensions of 10" x 13 1/4" x 1 1/2".


In stock! Ships in 1 business day.
BestAir A35PR Replacement for BDP P1103545 Filter
As Low As: $9.95
Retail: $14.99
You Save 34%!

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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.


Special Order. Ships in 10 days.
Aprilaire 4010 Humidifier Transformer Replacement
Our Price: $24.95
Retail: $27.99
You Save 11%!

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BestAir A12WPR Replacement for Aprilaire #12 Humidifier Filter
(Aprilaire 12 R)

The BestAir A12WPR replacement for Aprilaire #12 Humidifier Water Panel Filter features a paper honeycomb filtration to help trap waterborne mineral pollutants and keeps them from entering your home.


Out of stock
BestAir A12WPR Replacement for Aprilaire #12 Humidifier Filter
As Low As: $12.95
Retail: $19.99
You Save 35%!

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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 19 days.
Aprilaire 4223 Humidifier Drain Spud Kit
Our Price: $35.94

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BestAir A10WPR Replacement for Trane BAYPAD01A1010A Filter
(BAYPAD01A1010A)

The BestAir A10WPR Replacement for Trane BAYPAD01A1010A Filter 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: $16.99
Retail: $19.99
You Save 15%!

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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


In stock! Ships in 1 business day.
Aprilaire 4226 Humidifier Water Feed Tube & Sleeve
Our Price: $64.95
Retail: $81.99
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.


Special Order. Ships in 15 days.
Aprilaire 4232 Humidifier Orifice Blue
Our Price: $4.95
Retail: $5.99
You Save 17%!

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Aprilaire 4335 Feed Tube Assembly with Sleeve
(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 18 days.
Aprilaire 4335 Feed Tube Assembly with Sleeve
Our Price: $12.95
Retail: $14.99
You Save 14%!

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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


Special Order. Ships in 13 days.
Aprilaire 1200 Commercial Humidifier Filter Pad Water Panel
Our Price: $79.95
Retail: $90.99
You Save 12%!

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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.


Special Order. Ships in 10 days.
Aprilaire 4182 Humidifier Water Distribution Tray
Our Price: $24.99
Retail: $29.99
You Save 17%!

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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 13 days.
Aprilaire Humidifier Solenoid Valve for 350 & 360
Our Price: $74.95
Retail: $94.99
You Save 21%!

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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: $16.99
Retail: $19.99
You Save 15%!

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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.


Special Order. Ships in 12 days.
Aprilaire Humidifier Saddle Valve - Aprilaire 4001
Our Price: $14.95
Retail: $19.99
You Save 25%!

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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 10 days.
Aprilaire 4246 Humidifier Water Distribution Tray
Our Price: $19.95
Retail: $24.99
You Save 20%!

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BestAir A12PR Replacement for Chippewa 224
(Chippewa 224)

The BestAir A12PR Replacement for Chippewa 224 Metal Evaporator Pad measures approximately 14-3/4" x 1-5/8" x 11-3/8", and is the correct water panel replacement filter for several humidifier systems manufactured by Chippewa, AprilAire and Walton.


In stock! Ships in 1 business day.
BestAir A12PR Replacement for Chippewa 224
As Low As: $11.95
Retail: $16.99
You Save 30%!

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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


Special Order. Ships in 19 days.
Aprilaire 4732 Base for Aprilaire 700A 700M
Our Price: $99.99
Retail: $117.99
You Save 15%!

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Aprilaire 4510 Replacement Air Filter - 1700, 1710A
(4510)

The Aprilaire 4510 is the correct replacement for the following dehumidifier: Aprilaire 1700 Dehumidifier


In stock! Ships in 1 business day.
Aprilaire 4510 Replacement Air Filter - 1700, 1710A
Our Price: $38.95
Retail: $44.99
You Save 13%!

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Aprilaire 2416 Merv 16 Whole House Air Purifier Virus Removal
(Aprilaire 2416)

Ensure that your home is as safe and clean as it can be with the Aprilaire 2416.

Free shipping within the continental United States!

Special Order. Ships in 19 days.
Aprilaire 2416 Merv 16 Whole House Air Purifier Virus Removal
Our Price: $169.95
Retail: $190.95
You Save 11%!

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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.


Special Order. Ships in 12 days.
Aprilaire 6706 - 6" Round Damper - Slip-In
Our Price: $79.95
Retail: $89.99
You Save 11%!

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BestAir A12PR Replacement for Humid-Aire Neptune
(HumidAire Neptune)

The BestAir A12PR Replacement for Humid-Aire Neptune Water Panel Filter is the correct compatible replacement for Humid-Aire Neptune furnace humidifiers.


In stock! Ships in 1 business day.
BestAir A12PR Replacement for Humid-Aire Neptune
As Low As: $11.95
Retail: $16.99
You Save 30%!

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Aprilaire 4788 Maintenance Kit with Water Panel 45
(Aprilaire 4788)

The Aprilaire 400 Series Humidifier Maintenance Kit is for use with Aprilaire 400 Series humidifiers including the Aprilaire 400 Humidifier, Aprilaire 400A Humidifier, Aprilaire 400M Humidifier, and other compatible Aprilaire 400 humidifier models.


Special Order. Ships in 45 days.
Aprilaire 4788 Maintenance Kit with Water Panel 45
Our Price: $84.95
Retail: $99.99
You Save 15%!

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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.

Free shipping within the continental United States!

Special Order. Ships in 17 days.
Aprilaire 4005 Water Solenoid Valve Assembly
Our Price: $89.99
Retail: $99.99
You Save 10%!

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Aprilaire 4792 Maintenance Kit with Water Panel 10
(Aprilaire 4792)

The Aprilaire 500 Series Humidifier Maintenance Kit is for use with Aprilaire 500 Series humidifiers including the Aprilaire 500 Humidifier, Aprilaire 500A Humidifier, Aprilaire 500M Humidifier, and other compatible Aprilaire 500 humidifier models.


Special Order. Ships in 29 days.
Aprilaire 4792 Maintenance Kit with Water Panel 10
Our Price: $64.95
Retail: $86.99
You Save 25%!

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Aprilaire 5153 EZ Kleen Filter Replacement - 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.


Special Order. Ships in 10 days.
Aprilaire 5153 EZ Kleen Filter Replacement - 2-Pack
Our Price: $39.95
Retail: $44.99
You Save 11%!

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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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