830303 HDPE TERMINAL UNION SOCKET HI 20MM*1/2", 830304 HDPE TERMINAL UNION SOCKET HI 25MM*1/2", 830305 HDPE TERMINAL UNION SOCKET HI 25MM*3/4", 830308 HDPE TERMINAL UNION SOCKET HI 32MM*1", 830306 HDPE TERMINAL UNION SOCKET HI 32MM*1/2", 830307 HDPE TERMINAL UNION SOCKET HI 32MM*3/4", 830309 HDPE TERMINAL UNION SOCKET HI 40MM*1 1/4", 830310 HDPE TERMINAL UNION SOCKET HI 50MM*1 1/2", 830311 HDPE TERMINAL UNION SOCKET HI 63MM*2"