Use the 8mm Y to split your 8mm line and be able to expand and customize your Blumat system more than ever before. The 8mm Tee is good for splitting the 8mm tubing at 90 degree angles but this Y is ideal if you want to create a loop, if you want to split into 2 lines for two plants, or for any type of similar directional lines that run near parallel. 

Customize your system, any way you want to!