The 190 Series can be used to disinfect: Drinking water (with < 5 N.T.U turbidity, 5 HU units of colour). Secondary treated effluent (of <20 suspended solids, <20 BOD, >50% UVT quality). Cooling tower pond water, thus controlling disease. Aquarium, fish hatchery and acquaculture water. Swimming, hydrotherapy and spa pool water. Process water. The maximum flow rate through one model 190L is 12 litres/sec. Optional: For higher flow rates and UV dosage, ask for an 'XUV' edition quotation.