DB Directional Ceiling Diffuser

ASLI DB is a type of diffuser with multiple square cones which provide excellent 4 ways directional discharge pattern. Each cone is one piece dieformed construction with seamless surface andno corner joints. This consistent air flow pattern produce rapid mixing, excellent and stable room airdistribution. DB is the most popular square ceiling diffuser and suitable for rapid cooling usage.

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Frame : 1.0mm aluminum.
Blade : 1.0mm aluminum.
Support Bar : 1.5mm galvanized steel.
Frame : 0.7mm galvanized steel.
Blade : 0.6mm galvanized steel.
Support Bar : 1.5mm galvanized steel.

Surface Finish

White powder coated, oven baked
as standard
Others available upon request.

Standard size Unit : mm

290 x 290 / 370 x 370
450 x 450 / 595 x 595
603 x 603


• Frame for DB is flush & pressed out.
• The removable core is hooked on the inner frame with spring-loaded clip which
allow easy adjustment of volume control damper.


G1 Opposed blade damper
C1 Radial fan blade damper
C2 Crown damper


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