All aluminiun alloy constrution
Less resistance, large coverage air supply and nice looking
It can be adjusted in the range of ±60 degree arbitrarily, at different angles can get different blowing-in distance.
Facial dimension is neck size plus 50mm, outer frame can be added optional
Natural anodized aluminum finish or powder coated
Functions: To be used for sidewall or ceiling as air returen/supplyfor the air outlet of central air-condition system terminal with the larger diffusion area.
Use: in large scale shopping mall, offfice, hotel, and restaurant etc.