male female elbow:1.All size and color available; 2.High quality and competitive price 3.German standard and ISO certificate Fetures of male female elbow:1,raw material : polyethylene-c type 32,Size: 20mm-110mm3,Colors: white, other customized colors available4,Standard: DIN8078/8077 System characteristics and benefits1. Plastic piping for interior hot and cold water distribution systems in ...