Demonstration of huge! DIY laminar flow hood (without table), parameters in sm: 130*120*63

Sorry for bad speaking english. I have no practise in it, only in typing english. I live in Russian Federation, native language is russian, not english. My orderer wants to use it for repairing the displays of mobile phones. I buy two vents on 1800m3/h, so in recent time should do such another one laminar flow hood for my self)) Or, if byuer will not byu this from me i will be happy owner of huge flow hood head)) 0_0