EXCLUSIVE Number 8 Box Fan 30cm 45 Watt White SKU: 269128 MODEL: N8BF30 Error. try again later You've successfully joined the club $ 29 .98 each Mitre 10 Variants The 30cm Box Fan from Number 8 comes with 3 separate speed settings and a 2 hour turn off timer. Features and benefits 3 Speed Settings. 2 hour timer. 30cm Fan unit.