SB 250 E – SilentBox Centrifugal Fan – Helios
Very quiet fans in an acoustic casing ideal for ventilating noise sensitive areas achieving good volumes at high pressures.
A fully speed controllable centrifugal fan range suitable for indoor use terminal box rated IP55 (weatherproof) with a pre-galvanised steel casing.
With circular spigots for connecting to ducting using pipe clamps.
- Super quiet and powerful centrifugal fan for use with 125 mm dia ducting.
- 2 speed options available.
- Easy access to motor and impeller.
- High performance up to 132 l/s and 102l/s.
- 1 Year no quibble warranty.
- Quality assured by the manufacturer ISO9001.