American Lighting ALT2-21 21-Inch Ultra Thin T2 Fluorescent Light Fixture Kit High color rendering provides natural light for showing true colors Linkable 120V design speeds installation and allows runs up to 100-Watt Small housing easily fits in small coves, under cabinets and behind back lighted surfaces Easy installation - use with Slim-Line Hardwire box (sold separately) for hardwire installations or just plug in with six foot power cord (included) Also available in 13-3/8-Inch Long life, T2 fluorescent lamps last 10,000 hours (average rated life)