E-TAO: Multi-jet nozzles made of sets of nozzles of diameter 90 mm. placed into a grille frame.
E-TAOF: Multi-jet nozzle made of sets of nozzles of diameter 90 mm. deep set into a grille frame.
E-TAOR: Multi-jet nozzle made of sets of nozzles of diameter 90 mm. placed into a grille frame with flow regulator.