Penguin Mist Systems copper tubing and prefabricated fog line is durable and clean in appearance. The tubing is type L.. The prefabricated fog manifolds have standard nozzle spacing options of 24” and 30”. Custom nozzle spacing is available. The nozzle ports have a 10/24 thread pattern. The stainless steel tubing and fog line is compatible with Penguin Mist Systems brass compression fittings or solder fittings.