The Grey Pneumatic GRY-2016PP 1/2" DR X 1/2" SQ MALE PIPE PG is a 1/2" diameter male pipe that is made of polypropylene. This pipe is designed to be used with a pneumatic tool to create a seal between two objects. This pipe is also designed to have a pressure rating of 1,200 psi. The Grey Pneumatic GRY-2016PP 1/2" DR X 1/2" SQ MALE PIPE PG is a 1/2" diameter male pipe that is made of polypropylene. This pipe is designed to be used with a pneumatic tool to create a seal between two objects. This pipe is also designed to have a pressure rating of 1,200 psi.