Return air Grilles - RA 

• These grilles feature a light weight extruded aluminium with or without damper attached. 
• The standard grilles are available with fixed horizontal blades spaced at 21 mm apart.  

GENERAL SPECIFICATIONS

• Different spacing can be offered as a special request.
• The frame is constructed of 1.3mm thickness extruded aluminium with curved fins of extruded aluminium of 1.2 to 1.6mm thickness. 
• The damper is constructed from extruded aluminium blades and frame.
• Grille can be finished with powder coated white finish preceded by a five stage preparation process of cleaning, phosphatising and drying.
• Other colours are available on request.
• Grilles can also be supplied as natural anodised.
• For outside weatherproof applications the Return Air Ribbed Blade (RARB) can be offered.  This type is particularly suited to grilles for console air conditioners. 

 EXAMPLE