This replacement evaporator pad is also called a "filter" or "water panel". The water panel captures water as hot, dry air from your furnace blows across it, providing comfortable, humid air to your home. This product serves as a replacement for many brands and models (see list below). High quality, low-cost alternative to factory original product Constructed using an expanded aluminum mesh pad covered with a special clay-like coating that absorbs water and removes mineral deposits Used in furnace-mount humidifiers manufactured by Auto Flo, Leigh, Little Giant This pad no longer includes the plastic frame so you MUST reuse the original plastic frame and install it on the new humidifier filter Replace at least once per heating season Dimensions are approximately 8-3/4" X 9" X 1-3/4" Made in the USA All product names, logos, brands, trademarks and registered trademarks are property of their respective owners. All company, product and service names used on this page are for identification purposes only. Discount Filters.com and National Trade Supply, LLC are not affiliated with these brands.