Home / G01 - Fluorescents – Film quality Leds available / FL14-Qty-30. White 4′ Tandem(8′ long) uses 2- 4′ lamps T8 c/w cord. Led package available. FL14-Qty-30. White 4′ Tandem(8′ long) uses 2- 4′ lamps T8 c/w cord. Led package available.