Decorative wall/floor air intake/exhaust grille Ventilation finish trim Description ULMA decorative air grilles can be used as an air intake or exhaust vents and have been specifically designed for use in single-family houses. They are made from cast aluminium with an ornamental bezel and spoke finish. The sturdy casting form can withstand typical loads when installed as a floor vent. The inward sleeve of the grille fits spiral coiled ducts and other types of round ventilation ducts. The sleeve features a wire mesh which is easily removable for cleaning. Product code example Product code: ULMA - aaa ALNOR® ventilation systems is a registered trademark protected by a technical patent. All modification rights reserved.