The product is an 8-pack of black light bulb starters specifically designed for the Flowtron BK-15 model. These starters have a bulb base of E5, a voltage of 110 volts, and an average life of 5000 hours. Made of glass and manufactured by Flyercatch in the United States, these fluorescent tube starters are ideal for repairing ballasts and providing the current needed to start the bulbs glowing. With a unit count of 4.0 and an item weight of 1.6 ounces, this product is a reliable solution for maintaining and improving facility lighting in a business or industrial setting.