Duraflow Filtration Coated Aluminum Water Panel Humidifier Pad (11-1/2 x 14-5/8 x 1-5/8) - Compatible with Aprilaire Whole House Humidifier Models 112, 224, 225, 440, 445, 448 - 1 Pack – Filter Everything
Whole House Humidifier Filter Pad For Aprilaire 550 558 - Walmart.com
Aprilaire 35 Replacement Water Panel for Whole-House Humidifier Models/Series 350,360,560,568,600,700,760,768 (2-Pack) 35 02 - The Home Depot
BestAir Replacement Humidifier Filter in the Humidifier Filters department at Lowes.com
Amazon.com - Sconva 45 Humidifier Filter Pad Water Panel Replacement Compatible with Aprilaire Whole House Humidifier Models 400, 400A, 400M Humidifier Parts & Accessories (Pack of 2)
Duraflow Filtration Coated Aluminum Water Panel Humidifier Pad (11-1/2 x 14-5/8 x 1-5/8) - Compatible with Aprilaire Whole House Humidifier Models 112, 224, 225, 440, 445, 448 - 4 Pack – Filter Everything
Whole House Humidifier: Cleaning Tips | Galmiche in St. Louis
Honeywell Whole-House Flow-Through Bypass Replacement Air Humidifier Pad HC22P - The Home Depot
BestAir Whole House Humidifier Replacement Metal/Clay Water Pad (2-Pack) A10-2PK-PDQ-3 - The Home Depot
Honeywell HC22A1015 Whole House Humidifier Filter Pad For Hamilton Aprilaire | eBay
AprilAire Humidifier Filter / Water Panel Assembly Replacement Kit 400
Amazon.com: 4839 Humidifier Maintenance Kit/Water Panel Model No. 35 Humidifier Filter Replacement for Aprilaire Whole Home Humidifier Pad Models: 600, 600A, 600M : Appliances
Amazon.com - HC22P Whole House Humidifier Filter Pad Replacement Filter Wicks Compatible with Honeywell HE100, HE150, HE220, HE225 HE240, also for AprilAire Water Panel 110 220 550 550B Super Wick Filter -(2 PACK)
Amazon.com: 10 Replacement Water Panel Filter for Aprilaire Whole House Humidifier Pad Filters Models 110, 220, 500, 500A, 500M, 550, 550A, 558 Humidifier Replacement Wicks Filter,Furnace Humidifier Filter : Tools & Home Improvement