Want to hide away your pool cover roller... Don't want to wind anything?The Aussie UnderCover® Power 21 is what you need. Our Semi automatic hidden pool cover system will solve all your problems. Some assistance is required but the bulk of the work is done by our 24V low wattage motor. Even better, no electrician is required for installation. Call today 1300 722 009. AussieUnderCover® Power 21.