GONAL 0840 cover lap 75x150

COVERING ELEMENT: A covering element that can be placed at the wall ducts of the ventilation system, when flat ducts are used. The system can be more easily covered/hidden by using ventilation ducts with a rectangular cross-section and the corresponding fittings. has a "thickness" size, so it can also be placed in narrower places (e.g. above false ceilings, behind floor beams) without reducing (narrowing) the useful cross-section. The constrictions used in the ventilation system can result in greater pressure loss and higher noise from air flow. If the device to be installed has a connection with a circular cross-section, the so-called to one of the "transformer" adapters, which of course can also be found among the air technology accessories, within all size categories.