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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


Spacegard 2400 / Aprilaire 2400 Upgrade Kit
(Aprilaire 1413)

The Aprilaire 1413 is an Aprilaire Upgrade Kit that allows owners of Spacegard 2400 and Aprilaire 2400 air cleaners to use the MERV 13 Aprilaire 413 Filter instead of their MERV 10 Aprilaire 401 Filter. This improves air cleaning performance by 65 p

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Spacegard 2400 / Aprilaire 2400 Upgrade Kit
Our Price: $54.95
Retail: $64.99
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American Standard BAYPAD02A1310A Metal Filter
(BAYPAD02A1310A 1R)

The American Standard BAYPAD02A1310A Metal Filter is the correct replacement evaporator pad for American Standard HUMD300A, 300T and 500A Humidifier systems, and it measures 10" x 13 1/4" x 1 1/2" (approximately).


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American Standard BAYPAD02A1310A Metal Filter
As Low As: $5.95
Retail: $9.99
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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


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Aprilaire 4602 Ionizing Wire for Aprilaire 5000
Our Price: $26.97

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Aprilaire 112 & 445 Humidifier Water Panel
(Aprilaire 12)

This is an Aprilaire 112 & 445 Humidifier Water Panel Evaporator for the Aprilaire 440 Humidifier, Aprilaire 445 Humidifier, Aprilaire 445A Humidifier, Aprilaire 448 Humidifier, Aprilaire 112 Humidifier, and Aprilaire 224 Humidifier. The Aprilaire w


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Aprilaire 112 & 445 Humidifier Water Panel
Our Price: $13.95
Retail: $15.99
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Aprilaire 560 Series Humidifier Maintenance Kit
(Aprilaire 4837)

The Aprilaire 560 Series Humidifier Maintenance Kit is for use with Aprilaire 560 Series humidifiers including the Aprilaire 560, Aprilaire 560A, Aprilaire 568 Humidifier, and other compatible Aprilaire 560 humidifier models.


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Aprilaire 560 Series Humidifier Maintenance Kit
Our Price: $49.99
Retail: $69.99
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GeneralAire GA10 Humidifier Vapor Pad
(7900)

The GeneralAire GA10 Humidifier Vapor Pad is a replacement vapor pad for the GeneralAire 570 Elite Flow Through Humidifer, as well as several humidifier models from Honeywell, AprilAire, and Source1. The hot air from the humidifier's furnace is firs


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GeneralAire GA10 Humidifier Vapor Pad
Our Price: $11.95
Retail: $19.99
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Aprilaire 12 Humidifier Water Panel Filter for 440
(A12PR)

The AprilAir 440 Humidifier Water Panel Evaporator Filter is a heavy-duty metal water panel pad for several Aprilaire, Chippewa and Walton humidifier models, and is also referred to as part number A12PR.


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Aprilaire 12 Humidifier Water Panel Filter for 440
Our Price: $12.95
Retail: $14.99
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Spacegard Aprilaire 2600 Filter Media Replacement
(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


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Spacegard Aprilaire 2600 Filter Media Replacement
Our Price: $62.99
Retail: $69.99
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Aprilaire 500 Series Humidifier Maintenance Kit
(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.


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Aprilaire 500 Series Humidifier Maintenance Kit
Our Price: $38.99
Retail: $64.50
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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


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Aprilaire 4004 Humidifier Inline Strainer
Our Price: $3.30
Retail: $6.99
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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


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Aprilaire 4232 Humidifier Orifice Blue
Our Price: $1.65
Retail: $5.99
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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


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Aprilaire 4510 Replacement Air Filter-1700, 1710A
Our Price: $31.95
Retail: $39.99
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Aprilaire 4119 - Spacegard Air Filter Pleat Spacer
(Aprilaire 4119)

This Spacegard Aprilaire 2200 Filter Pleat Spacer (Aprilaire 4119) is used in the Spacegard Aprilaire 2200 Air Cleaner, Spaceguard Aprilaire 2250 Air Cleaner, and other compatible Spaceguard Aprilaire 2200 Series air cleaner models. There are five p


In stock! Ships in 1 business day.
Aprilaire 4119 - Spacegard Air Filter Pleat Spacer
Our Price: $19.95
Retail: $24.99
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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: $53.98
Retail: $74.99
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Aprilaire 400 Series Humidifier Maintenance Kit
(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.


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Aprilaire 400 Series Humidifier Maintenance Kit
Our Price: $68.99
Retail: $89.99
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Aprilaire 4237 Humidifier Motor Replacement
(4237)

The Aprilaire 4237 is a humidifier motor replacement for your select Aprilaire whole house humidifier. This motor will keep your humidifier working at its best. This replacement is very easy to install and will save you the time and money.


Special Order. Ships in 9 days.
Aprilaire 4237 Humidifier Motor Replacement
Our Price: $67.30
Retail: $126.50
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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 8 days.
Aprilaire 4331 Humidifier Water Distribution Tray
Our Price: $9.90
Retail: $14.99
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Aprilaire 4655 Manual Humidifier Humidistat
(4655)

The Aprilaire 4655 is the correct replacement for selected Aprilaire humidifiers.


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Aprilaire 4655 Manual Humidifier Humidistat
Our Price: $29.95
Retail: $39.99
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Aprilaire #12 Humidifier Water Panel Filter
(Aprilaire 12 R)

The Aprilaire #12 is the compatible replacement for the following humidifiers: SpaceGard/Aprilaire 112, 136, 224, 440, 445, 445A and 448 Furnace Humidifier.


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Aprilaire #12 Humidifier Water Panel Filter
Our Price: $9.99
Retail: $14.99
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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 8 days.
Aprilaire 4187 Humidifier Drain Spud
Our Price: $4.98
Retail: $10.99
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Aprilaire 4315 Ionizing Wire Air Cleaners 3-Pack 3-Pack
(4315)

The Aprilaire 4315 Ionizing Wire for Air Cleaners is a replacement ionizing wire for the Aprilaire 5000 electric air cleaner. Note that this ionizing wire is only designed for model 5000 units made prior to May 2005. The length of this Aprilaire ion


Special Order. Ships in 9 days.
Aprilaire 4315 Ionizing Wire Air Cleaners 3-Pack
Our Price: $26.70

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Aprilaire 440 Humidifier Water Panel Evaporator
(A12WPR)

The 440 Humidifier Water Panel Evaporator Replacement is a paper Water Pad for your Aprilaire humidifier.The A12WPR Aprilaire Humidifier Water Panel Evaporator Replacement helps your Aprilaire humidifier system generate humidity. If your home su


In stock! Ships in 1 business day.
Aprilaire 440 Humidifier Water Panel Evaporator
Our Price: $9.99
Retail: $14.99
You Save 33%!

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BDP P1103545 Metal Humidifier Water Panel Filter
(BDP P1103545 1R)

The BDP P1103545 Metal Humidifier Water Panel Filter is the correct compatible replacement for the following models of humidifiers: BDP HUMBBLBP2317 BDP HUMBBLBP2317-A BDP HUMBBLFP1318A BDP HUMBBLBP2217-A BDP P110LFP1318 BDP P110LFP1318A


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BDP P1103545 Metal Humidifier Water Panel Filter
As Low As: $5.95
Retail: $9.99
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Aprilaire 4793 - 550 Humidifier Maintenance Kit
(Aprilaire 4793)

The Aprilaire 550 Series Humidifier Maintenance Kit is for use with Aprilaire 550 Series humidifiers including the Aprilaire 550, Aprilaire 550A, Aprilaire 558 Humidifier, and other compatible Aprilaire 550 humidifier models.


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Aprilaire 4793 - 550 Humidifier Maintenance Kit
Our Price: $49.99
Retail: $64.50
You Save 22%!

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Day and Night P1103545 Metal Water Panel Filter
(DN P1103545 1R)

The Day and Night P1103545 Metal Water Panel Filter measures approximately 10" x 13-1/4" x 1-1/2", and is the correct replacement evaporator pad for many of the Bryant, Carrier, Honeywell, Lennox and Totaline humidifiers.


In Stock! Ships in 1 to 2 business days.
Day and Night P1103545 Metal Water Panel Filter
As Low As: $5.95
Retail: $9.99
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Filters Fast - Aprilaire filters

" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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