kit composed by :
10 white reducers 0.25 L/min
10 yellow reducers 0.50 L/min
10 dark green reducers 0.80 L/min
10 blue reducers 1.20 L/min
10 light brown reducers 1.30 L/min
10 light green reducers 2.00 L/min
10 dark reducers 2.50 L/min
10 pink reducers 3.30 L/min