... sizes as per your needs. Glass options1) Type: clear,tempered,reflective,coated,decorative,floated,Low-E ... 8 w/ m2. K3) Wind resistance: 5000 Pa4) Air permeability: 0. 5 m 3 /h. M5) Watertightness: ... 700 PaProduct features1) Air proof,Water proof,Sound insulation,corrosion-resistant2) Availability in ... exterior outward open outside windows with mosquito net,half moon windows