Bank info:
Monte dei Paschi di Siena  (AGENZIA 20 DI FIRENZE)
Comunità Ebraica di Firenze
Bank Address: Via Giosuè Carducci, 11/r, 50121 Firenze FI
IBAN: IT 20 E 01030 02804 000000240055
BIC: PASCITM1F20

The entrance to the service is free, but you can buy a seat for Rosh ha Shana, Yom Kippur, Sukkot, Pesach and Shavuot.

You can also book dinners and Rosh Ha Shana and Pesach sedarim.