kit composed by :
10 brown reducers 0.10 L/min
10 pink reducers 0.15 L/min
10 red reducers 0.25 L/min
10 green reducers 0.40 L/min
10 lime colour reducers 0.50 L/min
10 grey reducers 0.60 L/min
10 cyan colour reducers 0.90 L/min
10 white reducers 1.10 L/min
10 yellow reducers 1.70 L/min
10 violet reducers 2.15 L/min
10 black reducers 2.70 L/min