Crompton greaves, a part of the avantha group,and a conglomerate with the global footprint offers hi flow. This fan has sweep 400mm, blade color is transparent and base color light grey and warm grey. Hi flow has earned certification of iso 9001:2000 for its quality management, iso 14001: 2004 for environment management and iso 18001:1999 for occupation health and safety assessment series. These fans are applied in various sectors-- the domestic fans catering to households and offices all over india. The salient features are: