1/2 Cfpc In The Outside Of The Thread To The Tube .680 Or Just Over 5/8 Inch
1/2 Mpt To Tank And 1/2 Male Compression
Compression Fitting Will With 1/2 Inside Diameter And Just Over 5/8 Outside Diameter
1/2 Mpt Is Approximately .835 Or 13/16 On An Inch Into Tank