Using this Furick ThermoPlastic CIPPY Cup SG16 Replacement is easy. First, make sure you have the BBW Gas Lens as it's required. Then, simply mount the cup on your existing BBWSG - 19 Brass. It's unbreakable, so you don't have to worry about it getting damaged easily. When it comes to maintenance, just clean it regularly with a mild plastic cleaner. Keep it in a dry place to maintain its quality. Since it's laser - etched, avoid using abrasive materials that could scratch the etching and affect the authenticity mark.