Exhaust air valves( EFF) are designed for installation in the ceiling or on a wallMade of GALVANIZED STEELPainted white(RAL 9010,RAL9016)Size:80mm,100mm,125mm,150mm,160mm,200mm,250mmThe diffuser include two kinds:flat diffuser(supply and exhaust) and round diffuser(supply and exhaust). 

• Exhaust?Ventilator(1)

Air Ventilation Fan,Exhaust Air Pipe Rings,Exhaust Tip,Auto Exhaust,Air Bra,Secure Air,Air Cleaner,Air Fragrance,Air Pollution,Air Gauges,Air Register,Stampaire Air Diffuser,Air-conditioner Ball Bearing,Air O Dry Dryers,grid air floor grille,Air Duct System,Air Bubble Making Machine,Anion Air Cleaner,Air Freight Forwarders,air conditioner bearing,Air Pressure Foot Massager,Sealed Air Products