Berg offers used black lights from Labino, Spectroline and Gould Bass. Most lights come with a 6 month warranty on parts and labor and may also come with additional options including spare filters or power cords. Please browse our products to find the best one for you. If you have any questions about our used products, please give us a call at 1-847-577-3980 or send us an email at firstname.lastname@example.org. Our knowledgeable staff is there to help and assist you.