Photo 1 of iPower Variable Fan Speed Controller Adjuster Cordless for Duct Inline Exhaust Vent Blower, HVAC, 350W, 1 Pack 1 Pack Speed Controller

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Photo 1 of iPower Variable Fan Speed Controller Adjuster Cordless for Duct Inline Exhaust Vent Blower, HVAC, 350W, 1 Pack 1 Pack Speed ControllerPhoto 2 of iPower Variable Fan Speed Controller Adjuster Cordless for Duct Inline Exhaust Vent Blower, HVAC, 350W, 1 Pack 1 Pack Speed Controller