Check the listing for details. Replacement Water Panel Evaporative Pure Humidifier Model 10 House Panels 2 Pack. Condition: New. Listed at 27.49 USD. Replacement Water Panel Evaporative Pure Humidifier Model 10 House Panels 2 Pack Item detailed information: BUY WITH CONFIDENCE This genuine replacement water panel was designed and manufactured in the U.S.A. by Aprilaire – the leader in indoor air quality solutions to optimize the performance of your Aprilaire Humidifier Model: 110, 220, 500, 500A, 500M, 550, 550A, 558PERFECT APRILAIRE FIT Water panel dimensions: 10" H x 9.75" L x 1. 75" WFOR OPTIMAL PERFORMANCE replace water panel annuallyHUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 35% – 45% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthmaEasy installation. Instructions included.This genuine Aprilaire replacement water panel is the backbone of your Aprilaire humidifier. The heavy-duty aluminum mesh frame holds its shape over the life of the water panel as the porous ceramic-type coating absorbs water and maintains the proper level of hydration to support the evaporation process. Water is vaporized as air warmed by the furnace passes over the water panel. The humidified air is carried through the house through the air ducts. Water Panel Evaporators are the heart of your humidifier and the component which generates the important humidity to keep you comfortable during the heating season. The water panel slides into the scale control insert and the water distribution tray sits across the top of the panel.Free Shipping: within the 48 U.S. statesShipment only to the lower 48 states. We do NOT ship to PO Boxes Returns: We offer a 30 day return policy from the receiving date. All items purchased must be returned in the same condition as they were delivered in. Items defective upon receipt must be packaged in their retail packaging as if new and returned with a detailed description of the problem.