With this particular bulb, you get a lifespan of about 20 000 hours. This particular model has a so-called G13 socket, so make doubly sure that it will fit.
Conrad Electronic
OSRAM Fluorescent tube EEC: G (A - G) G13 30 W Warm white 827 Tube shape (Ø x L) 26 mm x 908.8 mm 1 pc(s)