The Amana-Goodman CAB050450440CT Dual Round Run Capacitor 45/5 MFD 440V is a high-quality component designed to support the efficient operation of HVAC compressors and fan motors. It works by providing a continuous electrical boost that stabilizes motor performance and improves startup reliability. https://www.partshnc.com/cab050450440ct-amana-goodman-455mfd-440vdualroundruncap