Wind,Powered Roof Vent, Automatic Attic Ventilation, Rustproof Weatherproof

Automatic Silent: This roof ventilator is a dependable rotating, automatic working, continuous and silent operating with maintenance costs. Functional: Designed to release your roof air in just a few minutes, unaffected by rain, suitable for chimneys that are not frequently. Stainless Steel Material: Stainless steel material is very strong and rustproof. It can also withstand high temperatures and acid and alkali erosion, making it suitable for use in harsh conditions.