A - Foam collection cup
B - Endcap
C - Air tubing connector
D - Internal chamber
E - Water inlet
F - Venturi
G - Air tubing
H - Pump outlet
L - Dry skimming
L1 - Half-liquid skimming
L2 - Liquid skimming
M - Adjustable elbow
O - O-ring
Q - Discharge unit
R - Check valve
S - Vent
T - Telescopic discharge connector
V - Minimum level

*with reserve of technical improvements