Our Part No.	FTB 3-M5	FTB 3-01	FTB 4-M5	FTB 4-01	FTB 4-02	FTB 4-01	FTB 6-02	FTB 6-03	FTB 6-02	FTB 6-03	FTB 8-04
Tubing I.D. mm	3	3	4	4	4	6	6	6	8	8	8
P.T.	M5	1/8	M5	1/8	1/4	1/8	1/4	3/8	1/4	3/8	1/2