4 Inch DC Electric Straight Fan Yacht RV Special Mute High Speed Powerful Exhaust Fan Exhaust Fan ,Quiet and Water Resistant

Moisture-proof, good sealing The upper and lower covers of the shell are made of anti-corrosion ABS plastic material Suction or exhaust can run continuously, built-in mounting feet can be installed vertically or equipment The fan blades are made of nylon with high strength and good toughness, so that the 4-blade fan blades can maximize the wind effect Powerful motor with low current power, unique front and rear axles and anti-corrosion motor base, large air volume and long service life