1. MULTIPURPOSE The swivel hood is suitable for ventilation ducts, chimneys, and exhaust vents. It provides maximum protection without compromising chimney performance. Designed to shield chimneys from rain and moisture, it is especially ideal for infrequently used chimneys. Features a stainless steel construction with reinforced mounting feet and includes a complete installation kit. 2. PROTECTION The rotating chimney cap, made of thickened stainless steel, fits most standard chimney tops. It blocks wind while enhancing ventilation, protecting chimneys from rain and moisture— for chimneys not in regular use. 3. SIZE The base diameter accommodates most standard fireplaces, available in 100 mm, 110 mm, 150 mm, 160 mm, 200 mm, 300 mm, 350 mm, 400 mm, 450 mm, and 500 mm. The durable stainless steel design is adaptable and sturdy for standard fireplace applications. 4. DESIGN The winddriven rotating hood spins faster with stronger winds, boosting airflow from inside to outside. It prevents exhaust backflow, enhances combustion efficiency, and shields chimneys from rain, snow, and wind. Effectively blocks strong winds from entering pipes, chimneys, stoves, etc., eliminating adverse effects.