ETL listed hydroponic inline duct fan, Steel backward curved centrifugal fan SUPPLIER AND FACTORY .

Steel backward curved centrifugal fan
Plastic backward curved centrifugal fan
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Plastic backward curved centrifugal fan
Steel inline duct fan 3 position speed controller extremely quiet
Plastic inline duct fan 3 position speed controller extremely quiet

4″ (inch)Inline duct fan (steel housing /impeller) 3 position speed controller extremely quiet

6″ (inch)Inline duct fan (steel housing/impeller) 3 position speed controller extremely quiet

8″ (inch)Inline duct fan (steel housing/impeller) 3 position speed controller extremely quiet

10″ (inch)Inline duct fan(steel housing/impeller) 3 position speed controller extremely quiet

12 ” (inch)Inline duct fan(steel housing/impeller) 3 position speed controller extremely quiet

Steel backward curved centrifugal fan Φ225?ETL Approved https://sunlightblower.com/9595.html
Steel backward curved centrifugal fan Φ190ETL Approved? https://sunlightblower.com/9588.html

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