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Use the Aprilaire Water Panel 45 to deliver the correct humidity to your home. Replace twice annually for best performance--conveniently delivered in a 2-Pack. Dimensions: 10" x 12.75" x 1.75" Compatible Models Aprilaire 400 Aprilaire 400A Aprilaire 400M
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🇺🇸 Ship from USA · On Agora since 2026
$39.99