45 Water Panel Humidifier Filter Replacement for Aprilaire Models 400, 400A, 400M – 2-Pack, 10" H x 13" L x 1.75" W

Maintain optimal humidity levels in your home with this 45 Water Panel Humidifier Filter Replacement 2-pack. Specifically designed for Aprilaire Humidifier Models 400, 400A, and 400M, these premium replacement filters feature perfect dimensions of 10" H x 13" L x 1.75" W for easy installation. The advanced design maximizes moisture output, helping you maintain the ideal humidity level of 35%-45% for improved comfort and protection of your home furnishings. This excellent value 2-pack provides twice the filters of standard packages, ensuring your whole-home humidifier continues to operate at peak efficiency throughout the season.

Key Features:

• Perfect Compatibility: Designed specifically for Aprilaire Models 400, 400A, and 400M.
• Precise Dimensions: 10" H x 13" L x 1.75" W for exact fit and optimal performance.
• Easy Installation: Simple to replace for continued humidifier efficiency.
• Optimal Humidity Control: Helps maintain 35%-45% humidity for improved comfort and home protection.
• Premium Design: Maximizes moisture output for effective whole-home humidification.
• Excellent Value: 2-pack provides double the filters of standard packages.
• Home Protection: Proper humidity levels help prevent damage to wood furniture, musical instruments, and electronics.
• Health Benefits: Maintains humidity levels that can reduce respiratory issues and dry skin.