Model 45 Water Panel Humidifier Filter Replacement for Whole House Humidifier Models 400 400A 400M Pack of 2 Genuine USA Made Replacement Part for Steady Humidity and No Fuss Setup

Water Panel Filter for 400/400A/400M Humidifiers - Pack 2
✔️ Pack of 2 genuine USA-made Model #45 water panels for 400/400A/400M

This genuine replacement water panel filter is designed for whole-house humidifier models 400, 400A, and 400M. Made in the USA, it helps maintain steady humidity and is typically installed inside the humidifier cabinet for efficient evaporation.

✅ Model #45 water panel fits 400, 400A, 400M humidifiers
✅ Size: 9-7/8 W x 12-7/8 H x 1.75 D inches
✅ Heavy-duty paper with two aluminum mesh layers
✅ Anti-microbial treatment to prevent mold growth
✅ 2-pack included for a full season

💡 What is a water panel humidifier filter replacement and how does it help maintain humidity?

Replacing the water panel helps maintain proper humidity levels and supports clean indoor air by ensuring proper evaporation.

- Maintains humidity in the 40-60% range for comfort
- Reduces microbial growth and dust mites by stabilizing moisture
- Easy installation with illustrated instructions