A complete system for ventilating manholes and vertical confined spaces while allowing easy entry and exit, the RAMFAN UB 20 has a saddle vent,
which allows unobstructed airflow down through the vertical opening. The 15-ft. (4.6-m) duct can be attached above or below ground to meet the site’s
ventilation needs. The system includes: UB20 Blower/Exhauster, Saddle Vent and Mount, 90-Degree Elbow, Quick
Couple Canister, 5 ft. x 8 in. (152 x 20 cm) duct, and 15 ft. x 8 in. (457 x 20 cm) duct.
Specifications:
Power: 115 VAC
Output: 980 CFM (1,666 m3/hr)
Weight:
Box 1: Saddle vent, elbow, mount, ducts, canister, 44 lbs. (20 kg)
Box 2: UB20 Blower/Exhauster, 19 lbs. (8.6 kg)