Medium Air Speed Ceiling Type Air Curtain ( air door , air wall , curtain wall , door curtain , ventilation machine , cooling protectitive machine, commercial air curtain )   1.Characteristic of  Commercial Air Curtain: ' Ceiling suspended construction , ceiling recessed installation, luxury and elegant. ' Centrifugal Air Curtain adopted forward-bending centrifugal type blade fan wheel construction, matched high efficient volute design, generating large air volume with Max 20m/s air speed , high air pressure and low noise   2.DescriptionAir curtain ( air door , air wall , curtain wall , curtain door , ventilation machine , cooling protectitive machine )Model:LM4009Y-Q, LM4010Y-Q, LM4012Y-Q,LM4015Y-Q, LM4018Y-Q; LM5009Y-Q, LM5010Y-Q, LM5012Y-Q,LM5015Y-Q, LM5018Y-Q    Approvals:CE, GMC, ECVV , CCC , ... Capable:CQC, GS, UL, CSA, CB Region:Guangzhou Brief Description:12 feet insect control and 15 feet temperature control, luxury design, install in false ceiling Colour:White Current Type:AC   3.ApplicationAir curtain ( air door , air wall , curtain wall , curtain door, ventilation machine , cooling protectitive machine )Applications:office entrancesvestibules retail and commercial entranceshospital entrancesrestaurant and food service entranceshotels, casinos, resort entrancesschools service and customer entrances