Optimized Drip Irrigation Set (PET Bottles)

Completely reworked version, because I still wasn't satisfied with my first drip set (https://www.thingiverse.com/thing:4490015)

This set also provides T-splitters to work without a nozzle, but a perforated hose-ring.
*EDIT: Or you can use it to serve 2 plants (as in my second example picture).
But you will have to level the outlets correctly to get a fair share of water for both plants without having to use 2 valves.*

Also filter tops for the cola bottle, which can be used as help to mount the set.
You can put any filtration material in between the grids or just use them to ensure no insects/dirt might clog the hose or produce mold.
Mount the filter by cutting off the bottom of the bottle as displayed in the example picture and drilling holes into the bottle to screw in the filter.
Or instead of screws, you can use some type of stick/rod to go through 2 holes.

The valve concept is the same as in my original upload, but with optimized objects to ensure more controle and