Hydrofarm Agrosun BUAB24 T12 Full Spectrum Fluorescent Tube, 20 Watt, 24 Inch Agrobrite full spectrum fluorescent grow tube Ideal for seedlings, cuttings, and low light plants like african violets Fits all standard fixtures; enhance plant growth Excellent choice for under counters or on shelves Tube measures 24-inch length 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 Fits standard fluorescent fixtures Lumens 875