Pathway Polymer's AutoFil OE Rubber Crumb Recycling System is the lowest-cost tire flatproofing system available to OEMs worldwide. And, the finished product, TyrFil Green, is eco-friendly, reliable, and trusted by OEMs. The AutoFil OE Rubber Crumb Recycling System utilizes a patented machine which processes rubber (recycled from scrap pneumatic rubber tires) and mixes it with virgin Tyrfil polyfill - we refer to the finished product as TyrFil Green. Thirty-five percent of the TyrFil Green mixture is recycled rubber. TyrFil Green is just as durable as virgin TyrFil.