Photo 1 of Variable Speed Controller SCR Voltage Controller Fit for Router Fan Electric Motor Rheostat AC 120V 220V/ 15A/ 4000W Max Black

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Photo 1 of Variable Speed Controller SCR Voltage Controller Fit for Router Fan Electric Motor Rheostat AC 120V 220V/ 15A/ 4000W Max BlackPhoto 2 of Variable Speed Controller SCR Voltage Controller Fit for Router Fan Electric Motor Rheostat AC 120V 220V/ 15A/ 4000W Max Black