1. Material: 0.6mm cold rolled steel. High precision, rigidity and consistency. Made by dies. 2. Simple installation entire assembly inserts into duct 3. To be used in controlling air volume for ventilation duct, and has exactly pathway and easy ... - Update: 2008-12-04

1. Material: 0.6-0.8mm Galvanized zinc steel. High precision, rigidity and consistency. Made by dies. 2. Simple installation entire assembly inserts into duct 3. To be used in separating different directions for ventilation duct, and has exactly ... - Update: 2008-12-04

1. Material: 0.6mm metal board. High precision, rigidity and consistency. Made by dies, welded frame for strength. 2. One-way air diffusion, guiding the airflow directly. Offers maximum air flow while maintaining low noise level. 3. Quality guara... - Update: 2008-12-04

1. Excellent appearance with molding vane and outside frame into integrity, long space of airflow, low noise. 2. Aluminum, light weight construction. Diameter: From 100mm to 630mm 3. Inside core's direction can be adjusted. 4. At the back, damp... - Update: 2008-12-04