500mm Duct

Elta Viper SCC Duct Mounted Centrifugal Fan - SCC500-1AC - Single Phase Applicationscourts This fan is ideally suited for Sports Halls, Squash Courts, Schools and Colleges, Shops and Retail Park...

The 'EMF' high efficiency in-line mixed flow duct fans are designed around a high efficiency, high pressure development mixed flow impeller, offering a very compact design with high performance and lo...

Etaline is a completely new developed fan series with a lot of aerodynamic constructional features applied for the first time in the ventilator industry. Outstanding qualities are the compactness a...

Etaline is a completely new developed fan series with a lot of aerodynamic constructional features applied for the first time in the ventilator industry. Outstanding qualities are the compactness a...

The Gigabox GBD 500/4/4 comes complete with discharge adaptor and flexible connector. It is three phase (400V), dual speed and speed controllable. All Helios fans are a very high quality product with...

The Gigabox GBW 500/4 comes complete with discharge adaptor and flexible connector. It is single phase (240V) and speed controllable. All Helios fans are a very high quality product with a huge reput...