I have a relatively large terrace on the 5th floor of a residential building and used for decades, the Micro-Drip-System with a Water Computer. In principle, I find it very important that Gardena even after many years supplies spare parts and product improvements. I had in the past, often the problem is that the water pressure has torn down the thin tube of the Drippers. Follow: On holiday plants have been received and those living among us neighbors were only moderately impressed ... This tee tube is additionally secured and thereby holds better and purely in principle I was thus able to design the new irrigation because the contained above Plants mihilfe a "new end" are cast. ... And yes, the neighbors would also ;-)'s