Compatible with AprilAire Whole-House Humidifier:Specially designed to fit a wide range of models including 300,350, 360, 560, 560A,568, 600, 600A, 600M,700, 700A, 700M, 760, 760A, and 768. Ensure a perfect match for your humidifier with the A35 Humidifier filter,Compatible with Model:Compatible with Honeywell HC26 HC26P 260A, 260B, 265A, 265B, 360A, 360B, HE200, HE200A, HE250, HE250A, HE260, HE260A/B, HE265, HE265A/B, HE280, HE300, HE360, HE360A/B, HE365, HE365A/B.
eBay