• Easy to install
  
• Replace your old turbine with a new "Aura Vent" without having to tear off the old turbine base
  
• Lifetime warranty

– Needs to be leveled

– Bends very easily

– Head must be removed for
hurricanes, or it will blow off

– Leaks in rain and snow when not in motion

– Climbing on a roof to replace a worn-out turbine is dangerous