The Whole Home D4 Premium w/ LCD Screen by Viqua is the perfect UV system for peace of mind, low maintenance, and good flow rate. This compact system is effective at eliminating bacteria, cysts, viruses, and much more using UV light as a filtering method. The Viqua D4 Premium features a new LCD controller which displays lamp life remaining and audible and visual lamp replacement reminders. The 12 gallon per minute flow rate is perfect for homes with multiple bathrooms and as a system is also advised for homes that use well water due to the ability to combat viruses and bacteria that would make it past other filtering methods. Invest in cleaner water with the Whole Home D4 Premium w/ LCD Screen by Viqua, order today!