Agrobrite standard replacement tubes * Strongest full spectrum fluorescent - up to 20 percent brighter than other brands * Ideal for seedlings, cuttings and low light plants like african violets * 1 year warranty * Measures 48.5-inch in length by 1.6-inch in width by 1.6-inch in height * Brighten any space and help chase away those winter blues * Full spectrum fluorescent tube * Strongest full spectrum T12 fluorescent up to 20 percent brighter than other brands * Tubes fit standard t12 48-inch fixtures