... multi-direction, air can be well-distributed Window grill designs with 8 ways outlet Characteristics1,Suitable for eco-cooler for vertical ... and intensity3,The rim of Plenum is made of galvanized sheet material, with mould stamping forming, it’s size precision and intensity ... is high4,Blade is aluminium extrusion molding, S-line structure, with it’s good properties for guide the wind, blade can ...