... )Quarz germicidal UV lamp 2)UVC 253.7nm to kill germs 3)watts: ... 10W/18W/30W/36W 4)CE, Rohs, 8000h life I.uv lamp ... and ozone-free provided for selection II.uv lamp SpecificationCode No Power(W)Length(mm)Tube DN( ... ) Base: E27/ 4pin /2pin5) Lifetime: 8000hrs III.uv lamp ApplicationsWater treatment system, aquarium water purification, air purification system, disinfection ...