Grohe is a best mark soon (if not the best) market, the fact that it is sent in "Import Germany" (which may involve risk certain purchasers) is not annoying and does not shock me at everything! Grohe is a registered German so what more natural that come directly from Germany in total.
There are not too many to fear for the guarantee is more than solid! He will not let you down during the warranty period (and even more) or you really have no luck!
The quality / price ratio is totally unbeatable compared to stores in French to you to judge!