Evaporator Pad #A04-1725-052 fits whole house humidifiers from Skuttle, White-Rodgers, Goodman and others.  2-Pack Original Factory Replacement Water Panel Evaporator This high-quality product is made by a leading manufacturer to replace the humidifier filter (AKA water panel, water pad, evaporator pad) in many makes and models of whole house humidifiers. This product is found in the large bypass and fan powered humidifiers manufactured by Skuttle, Goodman, White-Rodgers and others. Features: OEM factory original product. Made in the USA with high-quality components. Guaranteed to fit your whole house humidifier. Includes wick. For optimum performance, replace panel once every 6 months. Areas with hard water may need to change their humidifier filter more often. Constructed using an expanded aluminum mesh pad covered with a special clay-like coating that absorbs water and removes mineral deposits. Specifications: 11-7/8″ x 9-7/8″ x 1-1/2″  For use with these models: Skuttle: 2000 White Rodgers: HFT2100 Goodman: HUM-1725052 HUM-SFTBP