The Sunleaves Nova is a dual-tube high-output fluorescent fixture that's great for plants of all shapes and sizes. Bright but not hot, the fixture can be placed close to plants to maximize light output. It includes two 21" VitaLUME PLUS TT55 high-output fluorescent tubes which emit 8,000 lumens, and feature a daylight-simulating 6,500K spectrum and 8,000-hour life rating. Includes a one-year warranty on the fixture and the tubes. The Sunleaves Nova measures 23 ½" x 9 ¼" x 4".