... qualitative light,cheap, etc.Usage: special anti insect screen for vegetable nets, the anti insect screen apply forvegetable growth, yield, good ventilated ... permeability, can prevent hail, windy, ultravioletradiation, can prevent insect invasion, for instance, aphids, Coccinella septempunctta, etc;save the expense of ... a good price, general use 3-5 years. Agricultural insect net insect protect net