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   AIR RETURN GRILLE PRODUCT LIST
     Air return grille
Hand adjusting louver belt net
Adjust the shutter
Waterproof shutter
Since the vertical shutter
     Air return grille
Fixed shutter
Can open waterproof belt net
Open grille with mesh
Can open the fixed belt net
     Air return grille
Open hand adjustable belt net
Open hand adjustable belt net belt valve
Open adjustable belt net
Plastic sprayed waterproof louver with aluminum mesh
     Air return grille
Stainless steel can be opened and fixed
Stainless steel open
The double shutter
Stainless steel double layer fixing
     Air return grille
Return air window with primary filter
Grille return air with net
Double aluminum mesh and black mesh
Square diffuser
     Air return grille
Grille with round interface
Round air return port
Double aluminum mesh and black mesh
The perforated air return window can be opened