E-MULTITOB/TAOC: Multinozzle made of a set of jet nozzles E-TOB/TAO placed into a frame of grille for circular duct.

E-MULTITOB/TAOCF: Multinozzle formed by a set of orientable E-TOB TAO nozzles mounted in line integrated inside a frame with folding fins for adaptation to the curvature of the circular duct. Its depth, greater than that of the E-MULTITOB/TAOC, causes the nozzles to be recessed inside it.

E-MULTITOB/TAOCR: Multinozzle made of a set of jet nozzles E-TOB/TAO placed into a frame of grille for circular ducts with air flow damper.