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💧 Elevate your air game—because your home deserves the freshest, healthiest vibe.
The AprilAire 35 Water Panel Replacement is a genuine, USA-made evaporative filter designed for AprilAire whole-house humidifiers (models 300-768). Measuring 10x13x1.75 inches, its porous ceramic-coated aluminum mesh efficiently absorbs water to maintain optimal humidity levels (40-60%), promoting respiratory health and protecting home interiors. Sold as a convenient 2-pack for annual replacement, it supports easy installation and integrates with the AprilAire Healthy Air App for maintenance alerts.










| ASIN | B0076OW80S |
| Best Sellers Rank | #663 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Humidifier Accessories |
| Brand | Aprilaire |
| Brand Name | Aprilaire |
| Capacity | 18 G/day |
| Color | White |
| Control Method | Touch |
| Customer Reviews | 4.8 out of 5 stars 27,797 Reviews |
| Filter Type | Evaporative |
| Included Components | (2) #35 Humidifier Water Panels |
| Item Dimensions D x W x H | 10"D x 1.75"W x 13"H |
| Item Shape | Rectangular |
| Item Type Name | Replacement Humidifier Filter |
| Item Weight | 1.75 Pounds |
| Manufacturer | Research Products Corporation |
| Material | Aluminum, Synthetic Fiber |
| Model Name | Consumables Evaporative Water Panels |
| Model Number | 35 02 |
| Operation Mode | Evaporative |
| Other Special Features of the Product | Porous Ceramic-Type Coating |
| Part Number | 35 A2 |
| Power Source | Corded Electric |
| Product Dimensions | 10"D x 1.75"W x 13"H |
| Room Type | Whole-House |
| Runtime | 0 minute |
| Smart Home Compatibility | Smart Home Compatible |
| Special Feature | Porous Ceramic-Type Coating |
| UPC | 686720035029 |
| Unit Count | 2 Count |
| Warranty Description | No Warranty |
P**I
Exact Fit and Easy Replacement
This water panel filter fit my AprilAire humidifier perfectly and was easy to install. It feels like a quality replacement and helps keep the unit running smoothly. Good value and I’d purchase again.
N**N
AprilAire
I initially bought these on Amazon for my ApriAir humidifier five years ago, and have been using them ever since. They are a quality product and fit as expected. A good price at Amazon. I recommend them.
P**8
Excellent Quality, Perfect Fit – Essential for Healthy Home Air!
have used the AprilAire 35 Water Panel Humidifier Filter Replacement for years in my Model 600 whole-house humidifier, and I genuinely couldn't be happier with the product. When the air gets dry during the Pacific Northwest winters, these panels are crucial for maintaining comfortable humidity levels and a healthy home environment. Perfect, Hassle-Free Fit: The replacement panel fits into my AprilAire unit perfectly. It slides right into the frame without any bending, forcing, or modification required. The design ensures maximum water absorption and evaporation efficiency, which is exactly what I need from a quality filter replacement. Superior Performance: This panel is incredibly effective at its job. When installed, my humidifier efficiently keeps my home at the ideal humidity level (around 40-45%). The material holds up well throughout the season, distributing water evenly and consistently to combat dry air that causes static, dry skin, and sore throats. Durable & Reliable: Unlike some cheaper generic brands I tried in the past (which fell apart quickly), the genuine AprilAire panels are built to last the full recommended replacement cycle (typically once per heating season). The durable honeycomb design maintains its structure even with constant water exposure. Genuine Quality Matters: Using genuine AprilAire parts gives me peace of mind that my whole-house system is operating exactly as the manufacturer intended. The quality control is evident—I’ve never received a defective unit. Maintaining indoor air quality is important to me, and the AprilAire 35 Water Panel makes that maintenance easy and effective. Highly recommended for anyone with a compatible AprilAire system!
K**L
Works as expected
Working great.
M**A
Fits as advertised. Easy to install.
Fits perfectly. Every aspect as advertised. Much cheaper and easy to do yourself.
E**C
Good value
Fit perfectly- works well
T**Y
Perfect Fit and Easy Maintenance!
Perfect Fit and Easy Maintenance! The AprilAire Panel is a must-have if you want to keep your whole-house humidifier running efficiently. We’ve been using these for a while, and the installation is incredibly simple—it slides right into the scale control insert without any hassle. The quality is noticeably better than generic versions; it handles the water flow perfectly to keep the humidity levels consistent throughout the house during the dry winter months.
P**E
Good value. Perfect replacement
Perfect replacement. Prefer to use manufacturer parts whenever I can.
A**R
Perfect filter
Love it works perfect with my humidifier
C**L
Easy as pie
The box comes with all the detail instructions needed to install. I felt very confident after reading and was able to perform on my own device. I ordered the 10 pack which gives the most value for my money. In addition, it gives me the peace of mind not having to buy more filters down the road. The filter feels good quality, and looks identical to the default one already installed for my home.
M**O
Perfect Fit and Great Value
These filters are a perfect fit for my unit and were incredibly easy to swap out. Our home's humidity levels improved immediately, and the two-pack offers excellent value for the price.
C**R
You won't regret it, just do it
I’ve been using the Aprilaire 35 Water Panel Humidifier Filters for years now, and they’ve never let me down. These filters are an exact fit for my Aprilaire 600 model, and the installation process is straightforward, no tools required. The filters are well-made, and you can tell they’re built to last. One thing I’ve learned over the years is to replace them at the start of each winter season. If you live in a cold, dry climate like I do, this will make a noticeable difference in keeping your home comfortable. The air feels fresher, and it really helps with dry skin and static electricity. The 2 pack is a nice bonus because it saves me from running out mid-season, and it’s cost-effective. I also appreciate that these are genuine Aprilaire parts, made in the USA. My tip? Mark your calendar as a reminder to replace it every year. It’s one of those small maintenance tasks that can really pay off when it comes to indoor air quality.
C**N
Value
Genuine parts, Buy more save more
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