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AprilAire 35 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768 (Pack of 4)

4.8 4.8 out of 5 stars 25,401 ratings

To see product details, add this item to your cart. You can always remove it later.
Water Panel / Humidifier Filter
4

Purchase options and add-ons

Brand Aprilaire
Special Feature Ceramic-Type Coating
Item Weight 3.5 Pounds
Room Type Office, Living Room, Bedroom
Model Name 35

About this item

  • BUY WITH CONFIDENCE This genuine replacement water panel was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions to optimize the performance of your AprilAire Humidifier Models: 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768
  • PERFECT APRILAIRE FIT The Model #35 Water Panel dimensions are 10" W x 13" H x 1.75" D and it's made of aluminum mesh with a porous, ceramic-type slip coating that absorbs water and maintains the proper level of hydration for the evaporation process
  • FOR OPTIMAL PERFORMANCE replace your genuine AprilAire Whole-Home Humidifier Water Panel annually - this pro 4-pack offers a 4-year supply or convenience for contractors, homes that change their water panel more frequently, or homeowners with multiple furnace humidifiers to maintain
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions.
  • EASY INSTALLATION Follow the illustrated instructions included

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 13 x 1.75 x 10 inches; 3.5 Pounds
  • Item model number ‏ : ‎ 35 A4
  • Date First Available ‏ : ‎ January 29, 2011
  • Manufacturer ‏ : ‎ Research Products Corporation
  • ASIN ‏ : ‎ B01E5L0J46
  • Customer Reviews:
    4.8 4.8 out of 5 stars 25,401 ratings

Product Description

Maintaining proper humidity levels is integral to maintaining Healthy Air. This genuine AprilAire replacement water panel humidifier filter features a porous ceramic-type coating that absorbs water and maintains the proper level of hydration to support the evaporation process. Water is vaporized as air warmed by the furnace passes over the water panel humidifier filter carrying humidified air throughout the house through the air ducts. AprilAire has been there since the beginning by introducing the first whole-home humidifier in 1954. Since then, we've continued to focus on quality design, engineering, and manufacturing to deliver Healthy Humidity to every home. Healthy Humidity reduces the incidence and risk of respiratory infections from airborne viruses. It also helps remedy your dry skin, chronic sore throat, frequent nosebleeds, and static shock. Additionally, proper humidity levels protect your home's wood furnishings from cracking or splitting while lowering your energy bill. Keep your AprilAire Humidifier running at peak performance by replacing your water panel annually. The Model #35 Water Panel dimensions are 10" W x 13" H x 1.75" D and illustrated instructions help you change your water panel quickly and efficiently.


From the manufacturer

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Maintain Proper Humidity Levels

An AprilAire Water Panel or Humidifier Filter is a key evaporative element that helps your home maintain proper humidity levels by assisting in converting water to vapor in your AprilAire Humidifier. Over time, the humidifier filter gets clogged from residual impurities in your water and needs to be replaced to maintain peak performance.


When you maintain balanced humidity with your AprilAire Humidifier, you’ll reap the benefits as you create an environment where viruses are less likely to thrive. You will also avoid common problems associated with less moisture in the air such as dry throat and static shock.


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Maintain Wellness

The air we breathe matters to our health. While viruses, bacteria, mold, and other airborne particles may thrive in excessively damp or dry conditions, you can thrive in that sweet spot in between.

Lower Energy Costs

Balancing the humidity in your home with professional-grade solutions can affect the “real feel” temperature in your home, which can prevent your furnace from working overtime.

Protect Your Home

Air that’s too dry can cause wood to splinter. Protect the structural integrity of your home with solutions intuitively designed to create healthy environments.

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AprilAire 35 Water Panel Humidifier Filter (Pack of 4) AprilAire 10 Water Panel Humidifier Filter (Pack of 4) AprilAire 12 Water Panel Humidifier Filter (Pack of 4) AprilAire 45 Water Panel Humidifier Filter (Pack of 2)
Customer Reviews
4.8 out of 5 stars
25,401
4.7 out of 5 stars
9,302
4.7 out of 5 stars
988
4.7 out of 5 stars
1,435
Compatible Models 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768 110, 220, 500, 500A, 500M, 550, 550A, 558 112, 136, 224, 440, 445, 445A, 448, Chippewa 224, Chippewa 225 400, 400A and 400M
Actual Dimensions (may differ from Nominal Dimensions) 10" W x 13" H x 1.75" D 9.5" W x 9.75" H x 1.75" D 11.5" W x 14.75" H x 1.75" D 9-7/8" W x 12-7/8" H x 1.75" D
Material Composition Heavy-duty Aluminum Mesh Frame with Porous Ceramic-type Coating Heavy-duty Aluminum Mesh Frame with Porous Ceramic-type Coating Heavy-duty Aluminum Mesh Frame with Porous Ceramic-type Coating Heavy-duty Absorbent Paper Reinforced with 2 Layers of Aluminum
Replacment Frequency Per Humidification Season Once Once Once Twice
Pack Size Available 1, 2, 4, or 10 per pack 1, 2, 4, or 10 per pack 1, 2, 4, or 10 per pack 2 or 10 per pack

What's in the box

  • (4) #35 Humidifier Water Panels
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.8 out of 5 stars
    4.8 out of 5
    25,401 global ratings

    Customers say

    Customers like the filter, saying it's of high quality and the right filter for their home humidifier system. They also find the installation instructions easy to follow and simple to replace. Customers appreciate the value, saying the filter is a much more cost-effective solution compared to other humidifiers. They say the filter fits perfectly and works well. Customers also like the quality, and ease of replacement.

    AI-generated from the text of customer reviews

    718 customers mention692 positive26 negative

    Customers appreciate the value of the water filter. They say it's affordable, easy to replace pads, and economical for yearly replacement. Customers also mention that it fits and is excellent value for money.

    "...He was so surprised that I had already done it.....simple and inexpensive!!" Read more

    "Did the job. Great price. Would buy again" Read more

    "...said it was similar to the filter they used and it was cheaper. Glad i got it, much improved air quality. less dry." Read more

    "...Very happy with the performance and price of this product!" Read more

    703 customers mention679 positive24 negative

    Customers are satisfied with the performance of the filter. They mention that it works well, it works reliably for an entire season, and it works perfectly with their HVAC system. The filters are easy to install and have greatly improved the performance. The quality of the filters is good and the materials last a couple of seasons. They also say that the filters make their home feel more comfortable and cozy.

    "Works well. It was the correct size and installed fairly easy." Read more

    "Long lasting" Read more

    "Works fine. Depending on your water quality you need to change these every season or so." Read more

    "...These fit perfectly into my Aprilaire humidifier and work reliably for an entire season." Read more

    634 customers mention606 positive28 negative

    Customers are satisfied with the fit of the filter. For example, they mention it fits the humidifier perfectly, and the furnace well. Some say that it slips in easily.

    "Works well. It was the correct size and installed fairly easy." Read more

    "The pad is a perfect fit for my 10-15 year old April Air 560 humidifier...." Read more

    "Perfect fit." Read more

    "NOT Rocket Science. Excellent replacement Fits with no problem." Read more

    543 customers mention506 positive37 negative

    Customers are satisfied with the quality of the humidifier pads. They mention that it is well-made, and easy to install. Some say that it improves air quality and is an extremely important tool to keep in the house.

    "...Glad i got it, much improved air quality. less dry." Read more

    "Perfect replacement. Change out twice each year. 2 pack is perfect." Read more

    "These are very good products that I have purchased in the past and will buy again." Read more

    "Good product" Read more

    388 customers mention378 positive10 negative

    Customers find the installation instructions for the lab supply easy to follow. They also say the product is simple enough to mess up if you're careless.

    "...He was so surprised that I had already done it.....simple and inexpensive!!" Read more

    "Works well. It was the correct size and installed fairly easy." Read more

    "Easy to install, no tools needed, and helps keep the relative humidity up all winter long" Read more

    "Good price for an OE replacement filter. Easy to install." Read more

    198 customers mention198 positive0 negative

    Customers find the replacement of the lab supply to be easy. They mention that it's pretty straightforward to take apart the assembly and replace the filter.

    "Perfect replacement. Change out twice each year. 2 pack is perfect." Read more

    "Good OEM Replacement filter. Easy to replace, a 2 pack is perfect for the full winter/spring season." Read more

    "NOT Rocket Science. Excellent replacement Fits with no problem." Read more

    "Popped right in, fit just as expected and swapped in and out easily." Read more

    100 customers mention91 positive9 negative

    Customers are satisfied with the filter. They mention it's a good filter at a reasonable price, and the right filter for their home humidifier system. The filters are the real ones, made of metal with a clay-like coating, and are perfect for HVAC humidifiers. They are easy to install and a great OEM replacement water filter at an affordable price.

    "Good OEM Replacement filter. Easy to replace, a 2 pack is perfect for the full winter/spring season." Read more

    "Easy to install. OEM filter" Read more

    "It is a good replacement filter." Read more

    "Orginal filter. Good fit. Works perfectly." Read more

    50 customers mention31 positive19 negative

    Customers are mixed about the appearance of the lab supply. Some mention it looks fine, while others say the coating makes it look like used.

    "This set was the perfect OEM match to the original. Just be careful they are not in frames and do have to be inserted into the holder...." Read more

    "...It is a little crusty and flakes when trying to install the filter, but once it is in our humidifier works and that is the desired end result." Read more

    "Looks like original. Quick delivery." Read more

    "Have not used it yet but looks fine." Read more

    One panel of two was defective
    5 Stars
    One panel of two was defective
    One panel of package of two arrived defective. First photo shows defective panel with folded-down panel material. Second photo shows both of the two panels with the (used) panel on the left and the defective (unused) panel on the right. The defective panel will not fit into the evaporator assembly. Ordinarily these are great panels and we have used them for several years. Did not discover the defective panel until I was about to replace the used panel on the left in the second photo.
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    Top reviews from the United States

    Reviewed in the United States on March 4, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 4Verified Purchase
    Reviewed in the United States on February 15, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 1Verified Purchase
    Reviewed in the United States on March 12, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 1Verified Purchase
    Reviewed in the United States on November 8, 2023
    Size: Water Panel / Humidifier FilterNumber of Items: 2Verified Purchase
    Reviewed in the United States on March 8, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 2Verified Purchase
    Reviewed in the United States on March 1, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 4Verified Purchase
    Reviewed in the United States on March 11, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 2Verified Purchase
    Reviewed in the United States on March 14, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 1Verified Purchase
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    Top reviews from other countries

    pdedes
    5.0 out of 5 stars Change these annually to keep your humidifier working like new
    Reviewed in Canada on February 11, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 2Verified Purchase
    John Kohos
    5.0 out of 5 stars Original replacement parts. Good price.
    Reviewed in Canada on January 17, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 4Verified Purchase
    Squib
    5.0 out of 5 stars Good quality humidifier filter
    Reviewed in Canada on February 26, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 2Verified Purchase
    Amazon Customer
    5.0 out of 5 stars A Solid Product
    Reviewed in Canada on January 5, 2022
    Size: Water Panel / Humidifier FilterNumber of Items: 4Verified Purchase
    Dom
    4.0 out of 5 stars Exact size and fit for my for my honeywell He 620
    Reviewed in Canada on January 8, 2024
    Size: Water Panel / Humidifier FilterNumber of Items: 2Verified Purchase