The Bin-Flo aerator is a simple and efficient means of introducing low pressure air into any dry finely ground material. The air is equally distributed in controlled quantities to give the material an ability to flow by gravity from bin, hoppers or chutes.Bin-Flo aerators incorporate non-clogging diffusers, integral orifice and construction features which assure long, maintenance-free life. · 2 Sizes Available · 2 Diffuser Materials (Stainless Steel Body and Mesh Zinc Plated Body with Galvanized Mesh) · Internal or External Mount Bin-Flo® Cot-Away Diagram: