Viqua S200RL-HO Replacement UV Lamp for VH200 SystemViqua S200RL-HO Replacement UV Lamp for VH200 SystemFeatures of Viqua S200RL-HO Replacement UV Lamp for VH200 System genuine VIQUA replacement lamp The S200RL-HO is the replacement UV lamp for VIQUA VH200 series of ultraviolet water treatment systems ANNUAL LAMP cHANgE: After a year, UV light weak..