Greenwood Centrifugal Surface Mounted Low Voltage Bathroom Fan With Timer, Humidistat & Pullcord - SF90SVIHT 50-100 suitable for external wall thicknesses

suitable for external wall thicknesses of 140mm and above and can be installed in internal wall constructions of between 100 - 150mm

Timer version with boost speed set to run on for 2

F7 Filters are fine grade and designed to capture

The Select AX100TR is a basic single speed axial fan with anti-backdraught shutters and built in guide vanes to improve airflow it is controlled with a timer

Greenwood Centrifugal Surface Mounted Low Voltage Bathroom Fan With Timer, Humidistat & Pullcord - SF90SVIHT 50-100 suitable for external wall thicknessesThe SF90SVIHT is a Low voltage surface mounted centrifugal fan with humidistat and run on timer. Humidstat fans have a sensor in them. This detects moisture in the air. When a set humidity point is reached the fan will switch on. There are two types of sensor Traditional and Digital Intelligent. Traditional. Work by having a fixed humidity level which, when reached, the fan activates. Traditional humidistats work well but as natural levels of humidity