Speed control

100mm Centrifugal Fan Plastic Body Double skinned insulated c/w Variable Speed controller

100mm and 125mm Super Silent Double skinned insulated Fan c/w Variable Speed controller

150mm Centrifugal Fan Plastic Body Double skinned insulated Fan c/w Variable Speed controller

150mm Super Silent Double skinned insulated Fan c/w Variable Speed controller

200mm Centrifugal Fan Plastic Body Double skinned insulated c/w Variable Speed controller

200mm Mixed Flow Fan c/w Variable Speed controller

250mm Mixed Flow Fan c/w 2 Speed inline switch

315mm Mixed Flow Fan c/w 2 Speed inline switch