With the launch of the M9 tee, the BOOKOO EM can be seamlessly integrated into your Flair pro2, achieving a precise and compatible connection. The tee is professionally designed with two G1/8 female ports and one M9 male port, ensuring universal compatibility with the G1/8 BOOKOO EM adapter. But that's not all - the adapter is also designed to perfectly match with the BOOKOO pressure gauge (0-12 bar), providing an integrated solution for all your coffee monitoring needs.