Supply Air Grilles - DD 

• The two sets of individually adjustable louvres - vertical and horizontal - with or without a damper attached, allow these grilles to provide maximum flexibility of adjustments for spread and throw requirements.
• The multi directional flexibility allows for multi-directional air supply.
• They are recommended for high sidewall, bulkhead or duct mounting and can be used for heating, cooling, or ventilating application  

GENERAL SPECIFICATIONS

• All models feature two sets of individually adjustable blades - vertical and horizontal - spaced at 19mm apart, and fitted into a 20, 30 or 50mm frame.
• The optional opposed blade damper is constructed using extruded aluminium blades and frame.
• The individual blades are secured by corrosion resistant star lock washers with added adjusting tension supplied by corrosion resistant spring wire.
• All models can be furnished with powder coated white finish preceded by five stage preparation process of cleaning, phosphatising and drying.
• Grilles can be supplied in natural anodised and white powder coated finishes. 
• Other colours are available on request.