This HYDROLICO straight push-in coupling is designed for efficient and reliable pneumatic connections. Constructed from durable brass and plastic, it offers a secure fit for tubing. The GERADE REDUZIEREND (straight reducing) type allows for seamless transitions between different tube diameters.The HYDROLICO ZPG08-06 is a straight reducing push-in coupling. It is made from brass and plastic and is designed to connect tubing with an 8mm outer diameter to tubing with a 6mm outer diameter. The coupling is not currently in stock.