I was thinking about using this fan as an exhaust for my welder. Would this be a good idea?

Like how? It will clear out a small room or shed. There wouldn’t be any flammable fumes from welding like painting.

Why does the 20" have a higher cfm rating than the 24"? makes me think all the numbers are garbage...

Physics. The tipping point on power input to output... At a certain level the size of the blades will slow the CFM at the same amps because a larger mass requires more energy to move the same rotation distance.

If mounted solidly it seems relatively quiet. As I am using it to help cool a running generator this really is a moot answer.

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🌬️ Power your space with unstoppable airflow!

DURABLE ALUMINUM BUILD - Rust-proof aluminum shutters and blades ensure longevity and maintenance-free performance.
WHISPER QUIET OPERATION - Operates at a low 57 dB, maintaining peace while maximizing ventilation.
INDUSTRIAL GRADE AIRFLOW - Delivers a massive 3300 CFM to efficiently ventilate garages, attics, greenhouses, and more.
TURBOCHARGED VENTILATION - Experience rapid cooling with a 1190 RPM motor that keeps your space fresh and breathable.
EASY THERMOSTAT INTEGRATION - Seamlessly install with thermostats for smart, automated climate control.

The iPower 20.6 x 20.8 inch shutter exhaust fan features a robust 1190 RPM motor delivering 3300 CFM airflow. Constructed with corrosion-resistant aluminum shutters and blades, it ensures long-lasting durability. Designed for easy installation with thermostats, this industrial-grade fan is perfect for cooling garages, attics, greenhouses, and more, all while operating quietly at 57 dB.

Manufacturer	iPower
Part number	HIFANXEXHAUST20V1
Item Weight	8.3 Kilograms
Size	20 Inch
Color	シルバー
Style	排気ファン。
Pattern	扇風機
Item Thickness	1 Inches
Power source type	電源コード式
Voltage	120
Wattage	125 W
Number Of Pieces	1
Noise Level	57 dB
Cutting Diameter	1 Inches
Switch Style	プッシュボタン
Special Features	マニュアル。
Included Components	換気扇
Batteries Required?	No
Item Dimensions LxWxH	25.4 x 25.4 x 25.4 cm
Item Diameter	1 Inches

iPower 20.6 X 20.8インチシャッター排気ファンアルミニウム高速 1190RPM 3300CFM 1パックシルバー

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iPower 20.6 X 20.8インチ シャッター排気ファン アルミニウム 高速 1190RPM 3300CFM 1パック シルバー

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

iPower 20.6 X 20.8インチシャッター排気ファンアルミニウム高速 1190RPM 3300CFM 1パックシルバー