CONVENIENCE - This system lets campers drain their water pipes fast, easy, and most of all, conveniently DIY INSTALLATION - Flo fits right into your RV, boat or other mobile vehicle, and theres no need to dismantle your water system to install USER-FRIENDLY - In minutes, Flo can have your RV winterized or prepped for your next camping adventure POWERFULLY DESIGNED - Flo uses compressed air to drain your water lines, saving you time and money taking your RV into a shop MULTIPLE OPTIONS - Flo comes in two power options, a 12V DC or 115V AC power connection