Topaz’s 9W, PLT Retrofit Ballast Compatible, Vertical lamps are 3 CCT Selectable (2700K, 3000K, 3500K) and are a replacement for 13W, 18W, and 26W, 2 and 4-pin CFL lamps. These lamps are suitable for enclosed fixtures and rated for damp locations, offering up to 50% energy savings and 5x longer life expectancy than pin based CFL lamps: ideal for indoor recessed lighting and wall sconces in commercial, office, hospitality, and retail spaces.