IWS manufacture the finest hydroponics systems on the market to date. Our systems have quickly become the choice for the connoisseur grower. Brand New IWS Minute Timer. The item "IWS Flood and Drain Premium Brain Timer Control Systems Hydroponics" is in sale since Monday, September 17, 2012. This item is in the category "Garden & Patio\Hydroponics\Hydroponic Systems, Parts & Accessories\Hydroponic Systems".The seller is "a1mhydro" and is located in Wakefield, West Yorkshire. This item can be shipped to United Kingdom.