X-12 Features:
- Create negative air pressure and air circulation in gyms, hallways and other large areas
- Delivers dry air for ventilating any narrow space including subterranean manholes and sewers
- Lightweight and durable ABS plastic (the same that football helmets use) housing design
- 2-in-1 function: high velocity blower & powerful exhaust fan
- Low 6 Amps draw with 2600 CFM airflow capacity
- 20 ft. power cord with wrap-around cord design
- Variable speed control switch
- Dual thermal protection
- ETL/CETL safety certified
12DH25 Features:
- Great for heating, air conditioning, dehumidification, blower, ventilation and exhaust jobs
- Spring steel wire helix resists collapse under negative pressure
- Black reinforcement strips covering wire ensure long service life
- Adjustable clamp for easy adjustment
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