1,Suitable for eco-cooler for vertical air supply, could discharge ... direction, air can be well-distributed PLASTIC 4-WAY PLENUM aluminium blade Characteristics1,Suitable for eco-cooler for vertical air supply ... it’s size precision and intensity is high4,Blade is aluminium extrusion molding, S-line structure, with it’s good ... )895x895x290Blade(mm)536*244*30 PLASTIC 4-WAY PLENUM aluminium blade