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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 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 thro


Special Order. Ships in 9 days.
Aprilaire 6706 - 6" Round Damper - Slip-In
Our Price: $67.95
Retail: $79.99
You Save 15%!

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Aprilaire 4851 Humidifier Blower Activation Relay
(4851)

The Aprilaire 4851 is the correct replacement for the following humidifiers: Aprilaire 500 Series Humidifiers Aprilaire 600 Series Humidifiers Aprilaire 700 Series Humidifiers


In Stock! Ships in 3 to 4 business days.
Aprilaire 4851 Humidifier Blower Activation Relay
Our Price: $23.00
Retail: $44.99
You Save 49%!

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Aprilaire #12 Metal Humidifier Water Panel Filter
(Aprilaire #12 1R)

The Aprilaire #12 Metal Humidifier Water Panel Filter is the correct compatible replacement for the following models of humidifiers: Aprilaire 112 Aprilaire 136 Aprilaire 224 Aprilaire 440 Aprilaire 445 Aprilaire 445A Chippewa 224 Chippewa


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

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Carrier P1101045 Paper Water Panel Filter
(Carrier P1101045 1R)

The Carrier P110-1045 Paper Water Panel Filter measures 9-1/2" x 9-3/4" x 1-1/2" (approx.), and is the correct replacement filter for many humidifiers made by AprilAire, Bryant, Carrier, Chippewa, Hamilton, Honeywell, Lasko, Lennox and Totaline.


In stock! Ships in 1 business day.
Carrier P1101045 Paper Water Panel Filter
Our Price: $14.99
Retail: $19.99
You Save 25%!

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Aprilaire 4640 Humidifier Scale Control Insert
(4640)

The Aprilaire 4640 Humidifier Scale Control Insert is for use in your 500 series model humidifier. This Aprilaire humidifier scale control is a U-shaped piece that encases your humidifiers water panel evaporator.


In Stock! Ships in 3 to 4 business days.
Aprilaire 4640 Humidifier Scale Control Insert
Our Price: $11.42
Retail: $19.99
You Save 43%!

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Aprilaire 4266 Feed Tube & Compressor Sleeve
(4266)

The Aprilaire 4266 Feed Tube & Compressor Sleeve is a replacement water feed tube and compressor sleeve for Aprilaire humidifier models 560 and 568. This unit includes a 29 1/4" long feed tube with installed orifice and compression sleeve, strainer,


Special Order. Ships in 8 days.
Aprilaire 4266 Feed Tube & Compressor Sleeve
Our Price: $13.95
Retail: $16.99
You Save 18%!

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Aprilaire 4406 Humidifier Float Valve Assembly
(4406)

The Aprilaire 4406 is the correct replacement for the following humidifier: Aprilaire Model 400 Humidifier


Special Order. Ships in 7 days.
Aprilaire 4406 Humidifier Float Valve Assembly
Our Price: $9.84
Retail: $18.00
You Save 45%!

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Aprilaire 4410 Humidifier Water Level Sensor
(4410)

The Aprilaire 4410 is the correct replacement for the following humidifiers: Aprilaire Model 400 Humidifier Aprilaire Model 400A Humidifier Aprilaire Model 400M Humidifier


Special Order. Ships in 11 days.
Aprilaire 4410 Humidifier Water Level Sensor
Our Price: $32.88
Retail: $34.99
You Save 6%!

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Bryant P1101045 Paper Water Panel Filter
(Bryant P1101045 1R)

The Bryant P1101045 Paper Water Panel Filter measures 9-1/2" x 9-3/4" x 1-1/2" (approx), and is the correct replacement filter for many humidifier models made by Lennox, Bryant, Lasko, Hamilton, Chippewa, AprilAire, Honeywell, Carrier and Totaline.


In stock! Ships in 1 business day.
Bryant P1101045 Paper Water Panel Filter
Our Price: $14.99
Retail: $19.99
You Save 25%!

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Carrier HUMBBSBP2312-A Paper Water Panel Filter
(C HUMBBSBP2312-A 1R)

The Carrier HUMBBSBP2312-A Paper Water Panel Filter is the correct compatible replacement for the following models of humidifiers: Carrier HUMBBSBP2312-A Carrier HUMCCSBP2312-A This paper Carrier water panel filter has approximate dimensions


In stock! Ships in 1 business day.
Carrier HUMBBSBP2312-A Paper Water Panel Filter
Our Price: $14.99
Retail: $19.99
You Save 25%!

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Aprilaire 50 Humidifier Current Sensing Ray
(Aprilaire 50)

The Aprilaire 50 is the correct replacement for the following humidifiers: Aprilaire, Honeywell HE220, HE225, HE260, HE265, HE360 and HE365 humidifiers.


Special Order. Ships in 10 days.
Aprilaire 50 Humidifier Current Sensing Ray
Our Price: $26.00
Retail: $46.62
You Save 44%!

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Aprilaire 4181 Humidifier Float Chamber
(4181)

The Aprilaire 4181 Humidifier Float Chamber is a u-shaped component that encases the water panel and guides built-up mineral desposits back into the water panel.


In stock! Ships in 1 business day.
Aprilaire 4181 Humidifier Float Chamber
Our Price: $15.53
Retail: $23.99
You Save 35%!

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Aprilaire 4247 Humidifier Fan Blade Replacement
(4247)

The Aprilaire 4247 Humidifier Fan Blade is a genuine replacement for your Aprilaire whole house humidifier system. This humidifier fan blade keeps your Aprilaire 700 series humidifier system working at its best.


Special Order. Ships in 7 days.
Aprilaire 4247 Humidifier Fan Blade Replacement
Our Price: $21.39
Retail: $28.00
You Save 24%!

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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 17 days.
Aprilaire 350 & 360 Humidifier Maintenance Kit
Our Price: $71.99
Retail: $99.99
You Save 28%!

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Aprilaire 4217 Humidifier Scale Control Insert
(Aprilaire 4217)

This is an Aprilaire 4217 Humidifier Scale Control Insert replacement for use with the Aprilaire 500 Humidifier Water Panel Evaporator (Aprilaire 10) and the Aprilaire 4218 Humidifier Water Distribution Tray in the following Aprilaire humidifiers: A


In stock! Ships in 1 business day.
Aprilaire 4217 Humidifier Scale Control Insert
Our Price: $18.95
Retail: $24.99
You Save 24%!

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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


Special Order. Ships in 10 days.
Aprilaire 4226 Humidifier Water Feed Tube & Sleeve
Our Price: $12.95
Retail: $14.99
You Save 14%!

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Aprilaire 6725 - Rectangular Damper 8" x 16"
(Aprilaire 6725)

The Aprilaire 6725 is an automatic damper of the following size: 8 inches x 16 inches The Aprilaire 6725 - Rectangular Damper 8" x 16" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized

Free shipping within the continental United States!

In Stock! Ships in 7 to 8 business days.
Aprilaire 6725 - Rectangular Damper  8" x 16"
Our Price: $125.00
Retail: $149.99
You Save 17%!

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Aprilaire 6729 Automatic Vent Damper - 8" x 24"
(Aprilaire 6729)

The Aprilaire 6729 is an automatic damper of the following size: 8 inches x 24 inches The Aprilaire 6729 Automatic Vent Damper - 8" x 24" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motoriz

Free shipping within the continental United States!

Special Order. Ships in 9 days.
Aprilaire 6729 Automatic Vent Damper - 8" x 24"
Our Price: $135.65
Retail: $149.99
You Save 10%!

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Aprilaire 4258 Humidifier Control Relay
(4258)

The Aprilaire 4258 Humidifier Control Relay is used to turn on the fan motor or pump motor of your Aprilaire whole house humidifier. This humidifier relay kit works with your select commercial and residential model of humidifier.


Special Order. Ships in 9 days.
Aprilaire 4258 Humidifier Control Relay
Our Price: $58.53
Retail: $92.75
You Save 37%!

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Aprilaire 4594 Duct Mounted Humidistat
(4594)

The Aprilaire 4594 Duct Mounted Humidistat is for use in your Aprilaire 1150,1160, and 800 model whole-house humidifier system. These steam humidifiers are self contained systems and the humidifier humidistat measures and controls the relative humid

Free shipping within the continental United States!

Special Order. Ships in 10 days.
Aprilaire 4594 Duct Mounted Humidistat
Our Price: $157.10
Retail: $199.99
You Save 21%!

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Aprilaire 400 Humidifier Float Cover 4405
(4405)

The Aprilaire 400 is the correct replacement for the following humidifiers: Aprilaire 400 Humidifier Aprilaire 400A Humidifier Aprilaire 400M Humidifier Aprilaire 600 Humidifier


In stock! Ships in 1 business day.
Aprilaire 400 Humidifier Float Cover 4405
Our Price: $17.30
Retail: $19.95
You Save 13%!

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American Standard BAYPAD01A1010A Paper Filter
(BAYPAD01A1010A 3R)

The American Standard BAYPAD01A1010A 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.
American Standard BAYPAD01A1010A Paper Filter
Our Price: $14.99
Retail: $19.99
You Save 25%!

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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 11 days.
Aprilaire 4184 Water Distribution Tray Nozzle
Our Price: $14.99
Retail: $19.99
You Save 25%!

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Aprilaire 4403 Humidifier Float Chamber
(4403)

The Aprilaire 4403 Humidifier Float Chamber is a float chamber for Aprilaire 400 model humidifiers. This float chamber is a U-shaped component that encases the water panel of the humidifier and directs any built-up mineral deposits back into the wat


In stock! Ships in 1 business day.
Aprilaire 4403 Humidifier Float Chamber
Our Price: $36.95
Retail: $39.95
You Save 8%!

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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 8 days.
Aprilaire 4182 Humidifier Water Distribution Tray
Our Price: $14.07
Retail: $25.00
You Save 44%!

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Filters Fast - Aprilaire filters

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