used the import materical ,have a long life time can reached 13000 hours,used in water treatment ... Specifications4w,6w,8w,10w,12w,15w,18w,23w,28w,30w,36w,39w,55w,60w,etcAdvantagesGERMICIDAL ULTRAVIOLET EQUIVALENTREPLACEMENT LAMPSAQUAFINELamp Atlantic UVModel No. / Part No Equivalent Replacement LampsWattsLengthPart No.3010SP17.9287 mm05-1108-R3011SP214287 mm05-1098-R3050SL-10A DW30017357 mm05- ...