Comparison : Item # S13170, 1 1/4 Inch (in) Pipe Size by 1 1/4 Inch (in) Flange Size American National Standard Institute (ANSI) Flange
Item # S14170, 1 1/2 Inch (in) Pipe Size by 1 1/2 Inch (in) Flange Size American National Standard Institute (ANSI) Flange
Item # S15170, 2 Inch (in) Pipe Size by 2 Inch (in) Flange Size American National Standard Institute (ANSI) Flange
Item # S16170, 2 1/2 Inch (in) Pipe Size by 2 1/2 Inch (in) Flange Size American National Standard Institute (ANSI) Flange
Item # S17170, 3 Inch (in) Pipe Size by 3 Inch (in) Flange Size American National Standard Institute (ANSI) Flange