Comparison : Item # 1317-28-191LF, 1/4" FPT x 1/8" MPT Adapter Lead Free Brass
Item # 1317-28-192LF, 1/4" FPT x 1/4" MPT Adapter Lead Free Brass
Item # 1317-28-193LF, 3/8" FPT x 1/4" MPT Adapter Lead Free Brass
Item # 1317-28-195LF, 1/2" FPT x 3/8" MPT Adapter Lead Free Brass
Item # 1317-28-196LF, 1/2" FPT x 1/2" MPT Adapter Lead Free Brass