PM2.5 window screens， screens core technology， between -100C-160C， ventilation and anti-fog and haze / dustproof / smoke protection / water / antioxidant / can be resistant to acid / alkali / production of natural negative ion (air negative ion). contribute to health. No cleaning， dust off automatically. . / Low cost / low carbon / environmental / health / give children a healthy space， a healthy environment to the elderly.

Note: how much to buy direct shot size number on it. (Eg 0.5m * 1m to buy direct 5 and Message Fill in the development dimension)