Agrobrite standard replacement tubes * Strongest full spectrum fluorescent light up to 20 Percent brighter than other brands * Ideal for seedlings, cuttings and low light plants like african violets * Tubes fit standard 48-inch fixtures * Measures 1.6-inch in length by 1.7-inch in width by 23.6-inch in height * Agrobrite full spectrum fluorescent grow tube * Excellent choice for under counters or on shelves * Fits all standard fixtures; enhance plant growth * Ideal for seedlings, cuttings, and low light plants like african violets * Tube measures 48-inch length