Butterfly-shaped vents are installed in the cabin to ventilate the doors, cockpit and cabin.
Made of 316 stainless steel, high-precison mirror polished surface, corrosion and rust resistance, strong and durable.
The diameter is approx 125 mm / 5.0 inches, the diameter of the edge fixing hole is 3.5mm/0.138inch, suitable for 3mm bolts or rivets, compatible for 4" diameter vent holes.
Designed with a manual handle, you can control the opening and closing of the ventilation flap by rotating the side knob, which is convenient to use.
Round louver air vent cover is usually used for ship supporting doors, cockpits, cabin ventilation, or for family sheds or other facilities.
