Double Row winged grille

Material	Specially extruded 6063 aluminum profile.
Function	the ventilation system is used as the suction opening.
surface Coating	Standard finish is natural anodised aluminum. Electrostatic powder coating is optional. Standard colors are RAL 9010 and RAL 9016. Other colors are available with enamel paint.
Assembly	Screw system is standard. Ratchet and rail systems are used for mounting without hole on frame.
Accessory	Vent damper, plenum box and blind chassis.