Great for winter storage, Stor-Dry combats mold, mildew, and musty odors in any boat that is closed up or winterized. This dual-action air dryer uses a low voltage heating element and internal fan to both warm and circulate air around the cabin, reducing surface moisture that can lead to mold. 110V AC. Draws only 90 watts. 10" dia. x 4-3/4"H. 2-year warranty.