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Unit of Measure Imperial Metric Both

Items	SFTU4FN-1 Straight Union, Tube	SFTU4FN-3 Straight Union, Tube	SFTU4FN-6 Straight Union, Tube	SFTU6FN-1 Straight Union, Tube	SFTU6FN-3 Straight Union, Tube
Port Connection	N/A 1/4'' Flaretek® Flared Tube	N/A 1/4'' Flaretek® Flared Tube	N/A 1/4'' Flaretek® Flared Tube	N/A 3/8'' Flaretek® Flared Tube	N/A 3/8'' Flaretek® Flared Tube
Nut Material	N/A PVDF (Standard)	N/A PFA	N/A CPFA	N/A PVDF (Standard)	N/A PFA
A	N/A 3.44 in	N/A 3.44 in	N/A 3.44 in	N/A 3.58 in	N/A 3.58 in
B	N/A 2.33 in	N/A 2.33 in	N/A 2.33 in	N/A 2.24 in	N/A 2.24 in