Nelson Cast Iron Circular Spray Pattern Stationary Sprinkler Head 50950 Circular spray pattern Heavy duty cast iron body with rust resistant, powder coat paint Covers 30 feet in diameter 1 lb. cast iron body, 1 lb. for stability Circular spray pattern up to 30-foot diameter Heavy-duty, cast-iron body with rust-resistant, powder-coat paint Pound of Rain 1-pound weight for stability