... Barrier Flap Barrier Wing Barrier Turnstile GateKeywords: wing barrier, swing barrier, flap barrier, security wing barrier, safety wing barrier, access wing barrier, access ... Features: The metal house is shaped by high quality 304# stainless steel, with the trait of firmness, antirust, daintiness, safety, ... optional)The machine can be used indoors and outdoors Wing Barrier, Flap Barrier, Speed Gate ...