Comparison : Item # 203006-4-6S, 203006 External Pipe to Internal Pipe to 37º Flare Tee
Item # 203006-6-8S, 203006 External Pipe to Internal Pipe to 37º Flare Tee
Item # 203006-12-12s, 203006 External Pipe to Internal Pipe to 37º Flare Tee
Item # 203006-16-16S, 203006 External Pipe to Internal Pipe to 37º Flare Tee