Comparison : Item # 9WL1412P1A001, 12V Splash Proof DC Fan (w. Pulse Sensor and PWM Control) 140x38mm
Item # 9WL1424P1H001, 24V Splash Proof DC Fan (w. Pulse Sensor and PWM Control) 140x38mm
Item # 9WL0612P4J001,
Item # 9WL0912P4J001,
Item # 9WL0924P1H001,
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