PolyGuard 3 Block Mineral FeederBuilt to accommodate every size animal in your herd, the essential PolyGuard 3 Block Mineral Feeder is ideal for keeping block or loose mineral safe from rain, dirt, snow, and wind. Built Tough: Molded from resilient, flexible poly with heavy duty hardware, this feeder stands up to heavy use and harsh weather. Weather Resistant: Durable poly construction paired with an ultra tough, extra wide lid creates a downward pitch, shedding water with