Aprilaire 45 Replacement Water Panel for Aprilaire Whole House Humidifier Models 400, 400A and 400M

Genuine replacement water panel was designed and manufactured in the U.S.A. by Aprilaire – the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Humidifier Model: 400, 400A

Water panel dimensions: 10" H x 13" L x 1.75" W

recommended replacement  twice during the season