The new generation of Tigris M5 is optimized based on installer insights extracted from extensive customer panel interviews in various countries. With the innovative Acoustic Leak Alarm, detect leaks quickly and easily, as any non-pressed fitting will produce a loud whistling sound. Used by installers and above-ground specifiers all over Europe for its high-quality performance and reliability. Available in 16mm, 20mm, 32mm and 40mm sizes. For potable water and heating applications.here.