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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 6730 Rectangular Vent Damper - 8" x 26"
(Aprilaire 6730)

The Aprilaire 6730 Rectangular Vent Damper - 8" x 26" is ideal for use in residential applications. This rectangular duct damper features an exclusive Flexible Link design and installs in 4.24" slots within the duct. This Aprilaire damper features a

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Special Order. Ships in 7 days.
Aprilaire 6730 Rectangular Vent Damper - 8" x 26"
Our Price: $165.69
Retail: $199.99
You Save 17%!

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Aprilaire 6731 Motorized Duct Damper - 8" x 28"
(Aprilaire 6731)

The Aprilaire 6731 Motorized Duct Damper - 8" x 28" is ideal for use in residential applications. This rectangular duct damper features an exclusive Flexible Link design and installs in 4.24" slots within the duct. This Aprilaire damper features an

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Special Order. Ships in 7 days.
Aprilaire 6731 Motorized Duct Damper - 8" x 28"
Our Price: $169.91
Retail: $199.99
You Save 15%!

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Aprilaire 6736 Ventilation Damper - 10" x 18"
(Aprilaire 6736)

The Aprilaire 6736 Ventilation Damper - 10" x 18" is ideal for use in residential applications. This rectangular duct damper features an exclusive Flexible Link design and installs in 4.24" slots within the duct. This Aprilaire damper features an ad

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Special Order. Ships in 15 days.
Aprilaire 6736 Ventilation Damper - 10" x 18"
Our Price: $141.16
Retail: $149.99
You Save 6%!

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Aprilaire 6737 Rectangular Vent Damper - 10" x 20"
(Aprilaire 6737)

The Aprilaire 6737 Rectangular Vent Damper - 10" x 20" is ideal for use in residential applications. This rectangular duct damper features an exclusive Flexible Link design and installs in 4.24" slots within the duct. This Aprilaire damper features

Free shipping within the continental United States!

Special Order. Ships in 11 days.
Aprilaire 6737 Rectangular Vent Damper - 10" x 20"
Our Price: $143.71
Retail: $149.99
You Save 4%!

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Aprilaire 6738 Rectangular Vent Damper - 10" x 22"
(Aprilaire 6738)

The Aprilaire 6738 Rectangular Vent Damper - 10" x 22" is ideal for use in residential applications. This rectangular duct damper features an exclusive Flexible Link design and installs in 4.24" slots within the duct. This Aprilaire damper features

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Aprilaire 6738 Rectangular Vent Damper - 10" x 22"
Our Price: $171.31
Retail: $199.99
You Save 14%!

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Aprilaire 6739 - Auto Rectangular Damper 10" x 24"
(Aprilaire 6739)

The Aprilaire 6739 - Auto Rectangular Damper 10" x 24" is ideal for use in residential applications. This rectangular duct damper features an exclusive Flexible Link design and installs in 4.24" slots within the duct. This Aprilaire damper features

Free shipping within the continental United States!

Special Order. Ships in 8 days.
Aprilaire 6739 - Auto Rectangular Damper 10" x 24"
Our Price: $174.83
Retail: $199.99
You Save 13%!

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Aprilaire 4896 Door Seal for 1413 Upgrade Kit 20pk 20-Pack
(Aprilaire 4896)

The Aprilaire 4896 Door Seal for 1413 Upgrade Kit is a replacement door seal for the Aprilaire 1413 Upgrade kit, which is used with the Spacegard 2400 and Aprilaire 2400 air cleaner models. This door seal is constructed with styrofoam and is fully f


Special Order. Ships in 5 days.
Aprilaire 4896 Door Seal for 1413 Upgrade Kit 20pk
Our Price: $849.00

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Rectangular Air Damper 10" x 12" - Aprilaire 6733
(Aprilaire 6733)

The Aprilaire 6733 is an automatic damper of the following size: 10 inches x 12 inches The Rectangular Air Damper 10" x 12" - Aprilaire 6733 is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This moto

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Special Order. Ships in 9 days.
Rectangular Air Damper 10" x 12" - Aprilaire 6733
Our Price: $150.90
Retail: $199.99
You Save 25%!

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Aprilaire 6734 Auto HVAC Damper - 10" x 14"
(Aprilaire 6734)

The Aprilaire 6734 is an automatic damper of the following size: 10 inches x 14 inches The Aprilaire 6734 Auto HVAC Damper - 10" x 14" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Aprilaire 6734 Auto HVAC Damper - 10" x 14"
Our Price: $171.95
Retail: $199.99
You Save 14%!

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Aprilaire 6504 Intelligent Zone Control Panel
(Aprilaire 6504)

The Aprilaire 6504 Intelligent Zone Control Panel works with the model 8570 thermostat to provide state-of-the-art features to control all types of HVAC equipment. The Aprilaire control panel can be used with heat/cool, heat pump, single- or multi-s

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Discontinued Product Read Description.
Aprilaire 6504 Intelligent Zone Control Panel
Our Price: $216.98
Retail: $249.99
You Save 13%!

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Aprilaire 6402 - 12-Zone Control Expansion Panel
(Aprilaire 6402)

The Aprilaire 6402 - 12-Zone Control Expansion Panel is used with the Aprilaire model 6404 control panel to expand from four to twelve zones in two zone increments. The Aprilaire control panel is fuse protected and features LED indicators for start-


Discontinued Product Read Description.
Aprilaire 6402 - 12-Zone Control Expansion Panel
Our Price: $93.89
Retail: $99.99
You Save 6%!

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Aprilaire 4093 Humidifier Reservoir Liner
(4093)

The Aprilaire 4093 Humidifier Reservoir Liner is a reservoir liner for several models of Aprilaire humidifiers, including the 445, 445A, and 448. This humidifier reservoir liner is a plastic insert that fits in the reservoir located at the base of y


Discontinued Product Read Description.
Aprilaire 4093 Humidifier Reservoir Liner
Our Price: $13.99
Retail: $19.13
You Save 27%!

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Filters Fast - Aprilaire filters

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