기능

• A standard type that uses symmetrical wide blades to efficiently discharge hot and dirty air to the outdoors.
• Dust, welding fume, and hot air can be efficiently discharged by "push-pull ventilation," which is discharged by blowing air toward the unit fan on the wall side with a GYM fan (sold separately) or a transport fan (sold separately).
• For ventilation of buildings with no openings in the roof or multi-story structures.