Eco-Range Of Farm Windbreaks. Manufactured from our premium quality polypropylene netting & webbing the Eco-Range delivers a strong yet cost effective alternative to PVC type systems. The Eco-Range are specifically designed to clip onto 15ft wide steel or timber bays. They are available in both 1.5m, 2m & 2.5m drop. The Eco-Range offers a wind reduction of 80% and a significant reduction in driving rain.