?Product material: polymer nano-materials
Window net diameter: !#!lt!*!600 nm
Rejection: efficient anti-haze， dustproof is almost hundred percent
Ventilation rate: efficient ventilation
Production equipment: Germany
Life: more than 3 years




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)