Aprilaire #45 Water Panel (2-Pack)

Aprilaire 400 Humidifier Water Panel - Aprilaire#45 (2-Pack) The model 400 water panel should be replace twice per dry/heating season due to the high-capacity, water-conserving nature of this model. This water panel fits models 400, 400A, 400M.

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Filter Dimensions: 10" x 13" x 1.5" (Actual Size: 10" x 12.75" x 1.75")