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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

In Stock!
Ships in 1 to 2 business days.

Retail: $49.99

Our Price: $39.95

Save 20%!

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

In Stock!
Ships in 1 to 2 business days.

Retail: $61.99

As Low As: $44.95

Save 27%!

Aprilaire 1213 Upgrade Kit - Aprilaire 2200 & 2120
In Stock!
Ships in 1 business day

Retail: $79.99

As Low As: $61.75

Save 23%!

Aprilaire 4315 Ionizing Wire Air Cleaners
In Stock!
Ships in 1 business day

Retail: $14.99

Our Price: $10.90

Save 27%!

Aprilaire 4793 - 550 Humidifier Maintenance Kit
In Stock!
Ships in 1 business day

Retail: $80.95

As Low As: $67.45

Save 17%!

Aprilaire 4119 - Spacegard Air Filter Pleat Spacer
In Stock!
Ships in 1 business day

Retail: $24.99

Our Price: $21.95

Save 12%!

Aprilaire 4270 Pleat Spacers for 2400/5000 - 6 Pack
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 1 business day

Retail: $89.99

Our Price: $79.95

Save 11%!

FiltersFast FFC20265WRM8 Replacement for White Rodgers 20x26x5 F825-0549 2-Pack

In Stock!
Ships in 1 to 2 business days.

Retail: $59.99

Our Price: $49.95

Save 17%!

Aprilaire 4602 Ionizing Wire for Aprilaire 5000

Out of stock

Retail: $19.99

Our Price: $14.95

Save 25%!

Aprilaire 12 Replacement Water Panel
In Stock!
Ships in 1 business day

Retail: $24.99

As Low As: $16.95

Save 32%!

BestAir A35PR Replacement For American Standard BAYPAD02A1310A
In Stock!
Ships in 1 business day

Retail: $14.99

As Low As: $9.95

Save 34%!

FiltersFast A12PR Replacement for Aprilaire 12 Humidifier Filter
In Stock!
Ships in 1 business day

Retail: $16.99

As Low As: $11.95

Save 30%!

FiltersFast A35PR Replacement for Honeywell HC26 Filter
In Stock!
Ships in 1 business day

Retail: $14.99

As Low As: $9.95

Save 34%!

Aprilaire 4897 Conversion Frame for Model 5000
In Stock!
Ships in 1 business day

Retail: $19.99

Our Price: $15.95

Save 20%!

Aprilaire 4004 Humidifier Inline Strainer
In Stock!
Ships in 1 business day

Retail: $9.99

Our Price: $8.65

Save 13%!

Aprilaire 1413 Air Filter Performance Upgrade Kit
In Stock!
Ships in 1 business day

Retail: $75.99

Our Price: $69.95

Save 8%!

Aprilaire 261 Spacegard 2600 Filter Media Replacement
In Stock!
Ships in 1 business day

Retail: $85.99

Our Price: $64.99

Save 24%!

Aprilaire 4510 Replacement Air Filter - 1700, 1710A
In Stock!
Ships in 1 business day

Retail: $44.99

Our Price: $38.95

Save 13%!

BestAir A35PR Replacement for SPACE-GARD 35
In Stock!
Ships in 1 business day

Retail: $14.99

As Low As: $9.95

Save 34%!

BestAir A10WPR Replacement for Bryant P110-1045
In Stock!
Ships in 1 business day

Retail: $19.99

As Low As: $13.99

Save 30%!

BestAir A12PR Replacement for Chippewa 224
In Stock!
Ships in 1 business day

Retail: $16.99

As Low As: $11.95

Save 30%!

Aprilaire 6705 - 5 Inch Round Slip-In HVAC Damper
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 10 to 11 days.

Retail: $98.99

Our Price: $84.99

Save 14%!

Aprilaire 1200 Commercial Humidifier Filter Pad Water Panel
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 10 to 11 days.

Retail: $90.99

Our Price: $79.95

Save 12%!

BestAir A10WPR Replacement for American Standard BAYPAD01A1010A
In Stock!
Ships in 1 business day

Retail: $19.99

As Low As: $13.99

Save 30%!

BestAir A35PR Replacement for BDP P1103545 Filter
In Stock!
Ships in 1 business day

Retail: $14.99

As Low As: $9.95

Save 34%!

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