TUBE 3 by SMEDMARKS | Undercabinet - Lightology.com Tube wall stripe/undercabinet comes with white satin acrylic diffuser and aluminum body. Finish available in grey or whi te. Comes in 24, 36, 48 and 60 inch versions. One 21 Watt 12 0 Volt T5 fluorescent lamp included. External ballast includ ed. General light distribution. Available options include: d immer, colored end caps, 2-tube prolonged fixture. 36 inches wide x 1.5 inches diameter. UL listed. ADA compliant. in testingwith architecture_art_designcomeslightingspecificationsstripetubeundercabinetwallby 2 users