VT4-DWS - VT4-DWS 3.5 GPM, POU DWS, 1 x 20" Carbon/Lead & 1 x 20" Sediment Filter, Stainless Steel Bracket, LED Power & Lamp On Indicator, Safety-Loc Connector (Viqua)IHS10-D4 - IHS10-D4 12 GPM, D4 with 1 x 10" Sediment Filter, Stainless Steel Bracket, Component Status Indicators, Lamp Countdown Timer with Digital Display, Audible Lamp Reminder