2PCS 9W G23 Base Aquarium Fish Tank UV Sterilizer Purifier Light Bulbs Germicidal Ultraviolet Replacement Bulbs Features:_x005fExcellent quality, very cost-effective._x005fReplacement bulbs for UV sterilizer or air purifier._x005fHelp to sterilize and keep a healthy environment for aquarium._x005fTest we passed:_x005fOur product has been approved by CE and ROHS._x005fNote: This UV sterilizer bulb is used with electronic ballast, do not use it with alternating current (AC), otherwise it will burn out._x005fSpecifications:_x005fType: H Type_x005fTube Material: Quartz Glass Tube_x005fRated Voltage: 120-220V_x005fWavelength: 254_x005fPower: 9W_x005fBase Type: G23_x005fChroma: 254/185_x005fProduct Size: 16.3 * 3.2 cm / 6.42 * 1.26" (L * W)_x005fProduct Weight: 27.5 g / 0.97 oz (each)_x005fThis is an excellent UV lamp. It can be widely used for aquarium sterilizer, germicidal and air purifier as replacement bulbs._x005fFeatures:_x005fExcellent quality, very cost-effective._x005fReplacement bulbs for UV sterilizer or air purifier._x005fHelp to sterilize and keep a healthy environment for aquarium._x005fTest we passed:_x005fOur product has been approved by CE and ROHS._x005fNote: This UV sterilizer bulb is used with electronic ballast, do not use it with alternating current (AC), otherwise it will burn out._x005fSpecifications:_x005fType: H Type_x005fTube material: Quartz Glass Tube_x005fRated Voltage: 120-220V_x005fWavelength: 254_x005fPower: 9W_x005fBase Type: G23_x005fChroma: 254/185_x005fProduct Size: 16.3 * 3.2 cm / 6.42 * 1.26" (L * W)_x005fProduct Weight: 27.5 g / 0.97 oz (each)_x005fPackage Included:_x005f2 * Bulbs