Breathe Easy, Live Well! 🌬️ Replace filters twice a season with this value pack for two years of optimal performance. Crafted with aluminum mesh and a ceramic-type coating for maximum water absorption. Maintains humidity levels of 40%-60% to reduce respiratory issues. Comes with illustrated instructions for hassle-free setup. Designed specifically for AprilAire models, ensuring seamless integration. Whole-house solution Optimal hydration Easy installation The AprilAire 35 Water Panel Humidifier Filter Replacement is a high-quality, USA-made product designed for various AprilAire whole-house humidifier models. This pack of two filters ensures optimal humidity levels in your home, promoting better health and comfort while protecting your belongings from dry conditions.