POND UVC LAMP BULB TUBE LIGHT UV FILTER 8W Ultaviolet light emit a large amount of UV at 253.7nm,which have excellent germicidal effect.these lamps use structure and electrical characterustics with those general fluorescent lamps used for illumination .we can provide different specs,shaps and UV lamp output so you can select the appropriate one according to your purpose ,Also,we cam make suitable ...