HQRP Water Filter for Honeywell HE260, HE360, HE265, HE365 Series HE260A/B, HE265A/B, HE360A/B, ME360, HE365A/B, HE200A, HE250A Humidifiers, HC26A1008 Replacement Coaster HQRP&reg; Water Filter for Humidifier plus HQRP&reg; Coaster; Compatible with Honeywell HC26A1008; HE260A/B, HE265A/B, HE360A/B, ME360, HE365A/B Humidifiers; Dimensions: 10"x13"x1 3/4"; For optimum performance, panel should be replaced annually 2 weeks DOA replacement warranty!