The Aprilaire Water Panel 35 is a quality replacement filter for your Aprilaire 600 series, 700 series, 560 series, 350, and 360 humidifier. Also known as a media filter, humidifier pad, and evaporator pad, this product is paramount to deliver proper humidity to your home. Appropriate humidity in your home during dry heating seasons can alleviate allergy and asthma symptoms. Beyond these, it can also assist against dry nose, itchy skin, static shocks, and warped or cracked wood floors. Manufactured to be high quality and durable, this water panel is designed to last all heating season. Order today!