... . anti-acid and alkali , resist corrupt. ventilate, easy to clean, and cheap, ect.Use :Vegetable greenhouse , cultivate locust, and so on. The insect net ... 97%,liriomyza sativae is 95%,aphid is 90%, The vegetable which use insect net , they can add 205.8KG, increase income 246.9RMB ...