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The Aprilaire 35 Replacement Water Panel is a genuine, U.S.-made evaporative wick filter designed for multiple Aprilaire whole-house humidifier models. Measuring 10" x 13" x 1.75", it efficiently evaporates up to 18 gallons of water per day to maintain optimal indoor humidity levels (35-45%), promoting respiratory health and home comfort. Its durable aluminum mesh frame with a ceramic-type coating ensures long-lasting performance and easy annual replacement, making it the essential component for a healthier, more comfortable living environment during dry heating seasons.






| ASIN | B00DJVIPBS |
| Item model number | 35 |
| Manufacturer | Aprilaire |
| Product Dimensions | 25.4 x 4.45 x 33.02 cm; 396.89 g |
P**I
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.
P**8
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!
J**R
Fits like a glove
M**A
Shipment was delayed and once it finally arrived.. we received a used filter! Unbelievable!
W**R
Perfect fit