Anti Insect net manufacturer Sona agrotex's Anti Insect net Why are Anti Insect net used ? # Polyethylene nets for crops protection in net house from flies, aphids and thrips. The special thread creates a very thick and close mesh which prevents the passage of insects but not of air between the inside and outside of the net house. Because of their weight, the nets are installed on fixed structures. # It avoids the usage of harmful chemicals that sabotages the soil and the crop as well. # These nets are designed to support and improve ventilation. The crop gets the required exposure to the natural surrounding.