building flame retardant net construction site dense mesh balcony outer frame construction fence mesh green net protective net dustproof net

1.8 m by 6 m

1400 mesh polypropylene special offer 100 pieces 1600 mesh new material anti-sun 100 pieces 1800 mesh new material anti-sun 100 pieces 2000 mesh new material anti-sun 100 pieces 2200 mesh new material anti-sun 100 pieces 2400 mesh new material anti-sun 100 pieces 2,600 mesh new material anti-sun 100 pieces 2800 mesh new material anti-sun 100 pieces 1600 mesh grade a flame retardant 100 sheets 1800 mesh grade a flame retardant 100 sheets 2000 mesh grade a flame retardant 100 sheets 2200 mesh grade a flame retardant 100 sheets 2400 mesh grade a flame retardant 100 sheets 2800 mesh grade a flame retardant 100 sheets national standard inspection network