Extract over 5,500 litres per minute of damp air from your sub-floor area while preventing termites and mould from spreading into your home. The Envirofan Quad-Fan is quiet at only 27 decibels@1m, has low voltage (or can be solar powered), and only costs $4-$6 per fan annually.
DIY Envirofan EF12SQR-150 Installation
Extract over 7,000 litres per minute of damp air from your sub-floor area while preventing termites and mould from spreading into your home. The Envirofan EF12SQR-150 is quiet at only 58 decibels@1m, has low voltage (or can be solar powered), and only costs $19 per fan annually.