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Air Systems International Industrial Saddle Vent® Ventilation for confined space measuring 14 1/2" X 3 1/2" X 43 1/2" provides continuous access to the manhole for either entry or egress. It has 8" OD top and bottom opening with temperature ranging -158/250 deg F. It takes up only 3" in a manhole and acts as a fresh air conduit to the workers. It increases worker productivity ability to perform confined entry rescue and is used in non-hazardous locations.
Features
The saddle vent's unique air flow design does not reduce air flow to the worker
Top Opening: 8" outside diameter, Bottom Opening: 8" outside diameter
Temperature rating: +250 degrees F melting temperature -158 degrees brittleness temperature
