high speed flexible door 1.Automatic 2.Stainless steel frame 3.Opening speed:0.8-1.2 m/s 4.Safety ... side of the doorpostbetter prefermance in seal, wind-proof, sound-proof and bug-proofWind resistance9m/s-50pa, based on ... size 3*3 MMotorBrand SEW from Germen, heavy-duty,high ... the middleColorBlue,yellow,red and white PVC fabric high speed door