... standards of theAmerican society for testing materialsFiberglass window screening uses glass fiber monofilament,and adoptsspecial ... deformation,non adsorption,good light transmissionand durabilityFiberglass window screening is used in architectu re,stock ... ,30 32,36,38,40,46 54,60,66,72,78BlackGrayGreenGray andwhite 18×1418,20 ... ,30,32,36,38,40,46,54,60,66,72,78Type20.01218×16Order it accordingto ...