Twister Stainless Steel Nesting Drying Rack System, 20 TraysDesigned for producers with high humidity environments, strict screening, and storage constraints. Made of high density natural polypropylene mesh with the optimal open rate and space between ledges so air can properly circulate between trays. Maximize airflow and make drying a breeze. Unlike tall trays, where the product has a tendency to pile on top of each other and thus creating a mold supported environment, our low height trays encourage single