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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 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.


In stock! Ships in 1 business day.
Aprilaire 12 Humidifier Water Panel Filter for 440
Our Price: $12.95
Retail: $14.99
You Save 14%!

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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
You Save 13%!

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Aprilaire 550 Humidifier Water Panel Evaporator
(A10WPR)

The 550 fits Aprilaire, Chippewa, Hamilton, Honeywell, Lasko, Totaline, Healthy Climate and Lennox Humidifier systems.


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Aprilaire 550 Humidifier Water Panel Evaporator
Our Price: $14.99
Retail: $19.99
You Save 25%!

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FiltersFast Brand Aprilaire SpaceGard 2200 MERV8 2-Pack
(FFC20256SGM8)

The FiltersFast Brand Aprilaire SpaceGard 2200 MERV8 2-Pack is an economical alternative for the OEM Aprilaire 2200 and 2250 Air Filter Media Replacement.


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FiltersFast Brand Aprilaire SpaceGard 2200 MERV8 2-Pack
Our Price: $55.99
Retail: $59.99
You Save 7%!

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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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Honeywell HC26 Metal Humidifier Water Panel Filter
(Honeywell HC26 1R)

The Honeywell HC26 Metal Humidifier Humidifier Water Panel Filter measures 10" x 13-1/4" x 1-1/2" (approx.), and is the right replacement evaporator pad for several humidifiers manufactured by Lennox, Honeywell, Bryant, Carrier and Totaline.


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Honeywell HC26 Metal Humidifier Water Panel Filter
As Low As: $6.95
Retail: $9.99
You Save 30%!

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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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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 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 10 days.
Aprilaire 4237 Humidifier Motor Replacement
Our Price: $67.30
Retail: $126.50
You Save 47%!

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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: $9.90
Retail: $14.99
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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


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Aprilaire 4040 Humidifier Solenoid Valve - 24 Volt
Our Price: $48.70
Retail: $54.99
You Save 11%!

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FiltersFast Brand Aprilaire SpaceGard 2400 MERV8 2-Pack
(FFC162766SGM8)

The FiltersFast Brand Aprilaire SpaceGard 2400 MERV8 2-Pack Air Filter is an economical compatible alternative for the Aprilaire SpaceGard 2400 Air Cleaner Systems requiring a 16x27x6 media filter.


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FiltersFast Brand Aprilaire SpaceGard 2400 MERV8 2-Pack
Our Price: $42.99
Retail: $50.00
You Save 14%!

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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
You Save 20%!

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FiltersFast Brand White Rodgers 20x26x5 F825-0549 2Pack
(FFC20265WRM8)

The FiltersFast Brand 20x26x5 Air Filter F825-0549 is a compatible alternative for the OEM White Rodgers 20x26x5 Air Filter. This filter is made of fine carbon powder bonded to lofted polyester media for odor reduction.


In Stock! Ships in 1 to 2 business days.
FiltersFast Brand White Rodgers 20x26x5 F825-0549 2Pack
Our Price: $40.99
Retail: $50.00
You Save 18%!

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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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Aprilaire Spacegard 2200 Air Cleaner Seal Kit 10-Pack
(Aprilaire 4725)

The Aprilaire Spacegard 2200 Air Cleaner Seal Kit (Aprilaire 4725) is for use with the Aprilaire 2200 air cleaner and the Space-Gard 2200 air cleaner. This kit includes the necessary seals which are used to seal the following contacts: (1) between t


Special Order. Ships in 10 days.
Aprilaire Spacegard 2200 Air Cleaner Seal Kit
Our Price: $279.50

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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 12 days.
Aprilaire 4187 Humidifier Drain Spud
Our Price: $4.98
Retail: $10.99
You Save 55%!

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Chippewa 224 Metal Humidifier Water Panel Filter
(Chippewa 224 1R)

The Chippewa 224 Metal Humidifier Water Panel Filter measures 14-3/4" x 1-5/8" x 11-3/8" (approx.), and is the correct replacement evaporator pad for many humidifier models manufactured by Chippewa, AprilAire and Walton.


In Stock! Ships in 10 to 11 business days.
Chippewa 224 Metal Humidifier Water Panel Filter
Our Price: $12.95
Retail: $14.99
You Save 14%!

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FiltersFast Brand Aprilaire #12 Humidifier Water Panel
(Aprilaire 12 R)

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


In stock! Ships in 1 business day.
FiltersFast Brand Aprilaire #12 Humidifier Water Panel
Our Price: $9.99
Retail: $14.99
You Save 33%!

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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


In Stock! Ships in 1 to 2 business days.
Aprilaire 4315 Ionizing Wire Air Cleaners 3-Pack
Our Price: $26.70

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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 business day.
Day and Night P1103545 Metal Water Panel Filter
As Low As: $6.95
Retail: $9.99
You Save 30%!

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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


In Stock! Ships in 15 to 16 business days.
Spacegard Aprilaire 2600 Filter Media Replacement
Our Price: $62.99
Retail: $69.99
You Save 10%!

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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.


Special Order. Ships in 10 days.
Aprilaire 400 Series Humidifier Maintenance Kit
Our Price: $68.99
Retail: $89.99
You Save 23%!

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Aprilaire 350 & 360 Humidifier Maintenance Kit
(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 10 days.
Aprilaire 350 & 360 Humidifier Maintenance Kit
Our Price: $65.95
Retail: $99.99
You Save 34%!

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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


Special Order. Ships in 10 days.
Aprilaire 4510 Replacement Air Filter-1700, 1710A
Our Price: $31.95
Retail: $39.99
You Save 20%!

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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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