The quality of drinking water can change with time and become contaminated with harmful bacteria. The VT1 system is a reliable, economical and chemical-free way to safeguard drinking water in any residential application. Extends the flow rate applications of the VT series for recommended flow rates up to 1.0 gpm The system is easy to maintain and service Adds integral pre-filtration to the VT1 UV disinfection system Includes two 10" filter housings with 5 micron sediment and taste/odor cartridges Mounted on a heavy-duty, painted steel bracket for ease of installation Note: The VT1-DWS replaces the Sterilight S1Q-DWS and the SC1-DWS systems. Specifcations 304 Stainless Steel Reactors Flow Rate: 1 gpm @ 30mJ/cm2 Dimensions: 15" x 17" x 6" (38 cm x 43 cm x 15 cm) Max Operating Pressure: 125 psi Inlet/Outlet Port Size: 1/4" Tube Volts: 100-130V/50-60Hz Volts: 230V systems are shipped with 2-prong continental European (CEE-7/7) 2 pin with ground "Schuko" power cord.