Brass connector (four-way) type AI 13510 designed for connecting copper, brass, steel, aluminum pipes, etc., as well as plastic pipes and hoses (e.g., polyamide). The range of external diameters of connected pipes is from 4 to 14 mm. The tightness of the connection is achieved by compressing the ring on the connected pipe and simultaneously pressing the pipe with the ring into the socket using a nut. Standard: EN 1254-2. Material: brass.