Assembled Product Length: 13.12" Coverage: N/A Volume Capacity: N/A Assembled Product Height: 1.5" Assembled Product Width: 10" . The humidifier spreads water over the humidifier pad, warm air blows over the water soaked area and vapour is generated As the vapour circulates through the house, the relative humidity rises For use on all HE260, HE280 and HE360 humidifiers Can be used for Aprilaire models 560, 568, 600 760 and 768 10" x 13.12" x 1.5"