... end closed or both ends open water-proof UV sleeve and UV germicidal lamp We are a very ... professional manufactuer for uv lamp, uv ballast and UV sleeve in China.most of our uv lamps, uv ... ballasts and UV sleeve are used for air purification, water treatment systems, home ... of uv ballast: 12VDC, 24VDC, 110VAC, 220VAC uv sleeve dimension:23*1.5*100mm~1800mm23*1.25*100mm~1800mm24 ...