Amazon.com: LifeSupplyUSA Humidifier Filter Water Panel Pad Compatible with Aprilaire Humidifier Furnace for Furnace humidifier Models 400, 400A, and 400M. Compare to Aprilaire Part # 45 : Appliances
Amazon.com - Air Filter Factory 2-Pack Replacement for Bryant/Carrier HUMCCLBP, HUMBBSBP, 2217, 2317, 2417, HUMBALBP Humidifier Water Pad Filters
Amazon.com - Humidifier Filter Replacement for Aprilaire 35 Whole House Water Panel Humidifier Filters Models350,560,560A,568,600,600A,600M,700,700A,2Pack Humidifier Replacement Wicks,Furnace Humidifier Pad Filter
Amazon.com: Aprilaire 35 Water Panel Humidifier Filter Replacement for Aprilaire Whole House Humidifier Models 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768 (Pack of 1) : Appliances
LifeSupplyUSA Humidifier Filter Water Panel Pads for AprilaireHumidifier Furnace, Compare to Aprilaire Part # 45 (10-Pack) 10ER186 - The Home Depot