diffuser air supply

1. Good looking design, can be used in everywhere. For both air supply and exhaust of cooled air and heated air. 2. Extruded aluminium sections and welded construction. 3. Removalbe core for easier maintance and cleaning. 4. Anodized or powder coated white color Ral9010, 9016, other color are request. 5. Different styles for target markets. 6. StrongPE bag and 7 layers strong carton package can well protect the products although long time by sea.