Air inlet fitting for ceiling or wall has bezel fitted into the air duct via a concentric pipe stub on the rear and with a removable cover

摘要

An air inlet for fitting into a ceiling or into a wall, has a bezel (20) with a central hole (28) fitted with a pipe section (24) on the rear, to provide a concentric fit into an air duct. The bezel mounting includes grips (32), e.g. magnetic grips, to secure a removable cover grille (40) as well as grips to hold a removable filter.