Replacement Lamp for New Range N-UV 2 Litre Per Minute Under-sink UV Steriliser There are more than half a million people in the UK whose only source of drinking water is from a private water supply. These sources fall into three main categories: wells, springs / streams and boreholes. Our U.V. sterilisers can help you obtain bacteria free drinking water from these types of supplies.Technical SpecificationsLamp Power: 6 WattMax operating pressure: 6 BarChamber Dimensions (mm) approx: 260 x 50.5 2 PINS EACH END LENGTH 225mm INC PIN 210mm WITHOUT PINS Lamp Change: 9 monthlyPlease note that U.V. sterilisers do not improve the taste of water they are simply killing bacteria in the water. They should be incorporated into a system comprising the appropriate water filters to remove particles and to treat the water to make it palatable. Our highly trained staff can advise on the appropriate system to meet any combination of feed water and quality.