$184.99 (as of 17/12/2018 02:46 PST details )
Features:
- Compatible with 4 to 12 round air ducts
- For ventilation systems requiring high pressure, powerful air flow and low noise level
- Casing is made either of durable ABS plastic or polypropylene with low flammability, UV and corrosion resistant properties
- Special casing design enables easy dismantling of impeller and motor block without air ducts detaching to facilitate fan servicing
- Double speed single phase ball bearing motor with thermal overload protection is controlled with integrated 3 position low speed OFF high speed speed switch