Premier 1 Supplies Wise Mountable Poultry Feeder - 20 lb (Green) For feeding all types of poultry. Adjustable feed level. Versatile feeder mounts to either a wood fence post, tree or coop wall for indoor/outdoor use. Does NOT work on wire cages. See items 540095 or 540096, Wise Cage Feeder, for feeders made for use on wire cages. Feeder comes with brackets allowing it to be mounted easily, also making removal simple for cleaning or relocation. Holds 20 lbs of feed. Adjustable feed flow controls. Use additional Silo Extender (Item 540099) for 10 lbs of additional capacity. Silo Extender also found on Amazon.