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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 DSG201M11FF Replacement for BestAir SGMPR-B - 2-pack
(SGMPR-B)

FiltersFast Replacement For Aprilaire 201 BestAir SGMPR-B 2-pack come pre-assembled and replace AprilAire 201 air filters for use on Space-Gard Models 2200 & 2250 Air Cleaners.


In Stock! Ships in 4 to 5 business days.
FiltersFast DSG201M11FF Replacement for BestAir SGMPR-B - 2-pack
Our Price: $40.98
Retail: $49.99
You Save 18%!

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BestAir A35PR Replacement for Bryant P1103545 Filter
(Bryant P1103545 1R)

This BestAir A35PR compatible metal water panel filter has a honeycomb-shaped filtration media shape that is specifically designed to trap pollutants and mineral contaminants found in your water.


In stock! Ships in 1 business day.
BestAir A35PR Replacement for Bryant P1103545 Filter
As Low As: $8.95
Retail: $11.99
You Save 25%!

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Aprilaire 1413 Air Filter Performance Upgrade Kit
(Aprilaire 1413)

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


In stock! Ships in 1 business day.
Aprilaire 1413 Air Filter Performance Upgrade Kit
Our Price: $56.95
Retail: $65.99
You Save 14%!

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FiltersFast DSG401M11FF Replacement For Space-Gard SG4PR-B, Aprilaire 401 Filter - 2-Pack
(SG4PR-B)

The Space-Gard MERV 11 Compatible Media Filter 2-Pack is a two pack of compatible replacement air filters for the Aprilaire Model 2400 Air Cleaner. Model #401.


In Stock! Ships in 3 to 4 business days.
FiltersFast DSG401M11FF Replacement For Space-Gard SG4PR-B, Aprilaire 401 Filter - 2-Pack
Our Price: $52.98
Retail: $61.99
You Save 15%!

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BestAir A35PR Replacement For American Standard BAYPAD02A1310A
(BAYPAD02A1310A 1R)

The BestAir A35PR Metal Humidifier Filter measures approximately 10" x 13 1/4" x 1 1/2". It efficiently traps mineral contaminants and pollutants within the water filter to provide clean, moist air.


In stock! Ships in 1 business day.
BestAir A35PR Replacement For American Standard BAYPAD02A1310A
As Low As: $8.95
Retail: $11.99
You Save 25%!

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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 20 days.
Aprilaire 4510 Replacement Air Filter - 1700, 1710A
Our Price: $33.95
Retail: $39.99
You Save 15%!

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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.


In stock! Ships in 1 business day.
Aprilaire 4793 - 550 Humidifier Maintenance Kit
As Low As: $50.45
Retail: $64.99
You Save 22%!

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FiltersFast FFC20265WRM8 Replacement for White Rodgers 20x26x5 F825-0549 2-Pack
(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 10 to 11 business days.
FiltersFast FFC20265WRM8 Replacement for White Rodgers 20x26x5 F825-0549 2-Pack
Our Price: $42.99
Retail: $49.99
You Save 14%!

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Aprilaire 4897 Conversion Frame for Model 5000
(4897)

The Aprilaire 4897 Conversion Frame upgrades your Honeywell, Trion, Carrier, General, or Lennox brand media style air cleaner filters to use Aprilaire replacements.


In stock! Ships in 1 business day.
Aprilaire 4897 Conversion Frame for Model 5000
Our Price: $8.95
Retail: $19.99
You Save 55%!

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BestAir A10WPR Replacement for Aprilaire 550 Humidifier Water Panel
(A10WPR)

The BestAir A10WPR fits Aprilaire, Chippewa, Hamilton, Honeywell, Lasko, Totaline, Healthy Climate and Lennox Humidifier systems.


In stock! Ships in 1 business day.
BestAir A10WPR Replacement for Aprilaire 550 Humidifier Water Panel
Our Price: $16.99
Retail: $19.99
You Save 15%!

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FiltersFast A35PR Replacement for Honeywell HC26 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.


In stock! Ships in 1 business day.
FiltersFast A35PR Replacement for Honeywell HC26 Filter
As Low As: $8.95
Retail: $11.99
You Save 25%!

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BestAir A12WPR Replacement for Aprilaire 440 Humidifier Water Panel Evaporator
(A12WPR)

The BestAir A12WPR Humidifier Water Panel is a replacement water pad for your Aprilaire humidifier. This water pad helps to bring humidified air into your home.


In stock! Ships in 1 business day.
BestAir A12WPR Replacement for Aprilaire 440 Humidifier Water Panel Evaporator
Our Price: $11.99
Retail: $14.99
You Save 20%!

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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: $21.95
Retail: $24.99
You Save 12%!

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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: $8.65
Retail: $9.99
You Save 13%!

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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 business day.
Aprilaire 4315 Ionizing Wire Air Cleaners 3-Pack
Our Price: $32.70

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BestAir A12PR Replacement for Aprilaire 12 Humidifier Filter
(A12PR)

The BestAir A12PR Humidifier Water Panel Evaporator Replacement is a heavy-duty metal water pad for several AprilAire, Chippewa and Walton humidifier models.


In stock! Ships in 1 business day.
BestAir A12PR Replacement for Aprilaire 12 Humidifier Filter
As Low As: $11.95
Retail: $16.99
You Save 30%!

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BestAir A35WPR Replacement For Space-Gard #35
(Space-Gard 35 R)

The Space-Gard #35 Humidifier Water Panel Evaporator Space-Gard/Aprilaire furnace humidifier replacement unit comes with honeycomb filtration. The evaporator pad should be replaced once every 6 months or more often in hard water areas.


In stock! Ships in 1 business day.
BestAir A35WPR Replacement For Space-Gard #35
As Low As: $12.45
Retail: $15.99
You Save 22%!

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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 16 days.
Aprilaire 4792 Maintenance Kit with Water Panel 10
Our Price: $57.49
Retail: $66.99
You Save 14%!

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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 12 days.
Aprilaire 4331 Humidifier Water Distribution Tray
Our Price: $23.49
Retail: $26.99
You Save 13%!

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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: $45.95
Retail: $59.99
You Save 23%!

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Aprilaire 4270 Pleat Spacers for 2400/5000 6-Pack
(Aprilaire 4270)

The Aprilaire 4270 Pleat Spacers for 2400/5000 fit the Aprilaire 2400 and Aprilaire 5000 air cleaner models. This pleat spacer is shaped like a comb and supports filter media for even support of particulates throughout the filter. With these genuine


In stock! Ships in 1 business day.
Aprilaire 4270 Pleat Spacers for 2400/5000
Our Price: $91.98

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Aprilaire 4332 Humidifier Damper Assembly
(4332)

The Aprilaire 4332 Humidifier Damper Assembly is a damper assembly kit that includes a damper blade, spring, and knob. This Aprilaire humidifier kit is designed for Aprilaire humidifier models 400, 500, 550, and 600. This is a genuine Aprilaire part


Special Order. Ships in 11 days.
Aprilaire 4332 Humidifier Damper Assembly
Our Price: $21.00
Retail: $27.99
You Save 25%!

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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: $8.95
Retail: $11.99
You Save 25%!

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Aprilaire 56 Duct Mount Humidistat Control
(Aprilaire 56)

The Aprilaire 56 Duct Mount Humidistat Control is a duct mounted AutoTrac electronic humidistat. This Aprilaire humidifier humidistat includes an outdoor air sensor. Can be used with any humidifier that has a 24 volt AC control system. This Aprilair


Special Order. Ships in 13 days.
Aprilaire 56 Duct Mount Humidistat Control
Our Price: $64.95
Retail: $182.99
You Save 65%!

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BestAir A35PR Replacement for Day and Night P1103545
(DN P1103545 1R)

The BestAir A35PR metal evaporator pad has a honeycomb-shaped filtration media that is specially designed to trap mineral contaminants and pollutants found in your home's water.


In stock! Ships in 1 business day.
BestAir A35PR Replacement for Day and Night P1103545
As Low As: $8.95
Retail: $11.99
You Save 25%!

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