Active and passive harmonic filters ECOsine™ - Schaffner EMC Schaffner is uniquely able to offer both passive harmonic filters and active harmonic filters for the efficient mitigation of mains harmonics, worldwide. Innovative filter technology, a user-friendly design, as well as sophisticated technical support enable our customers to achieve their individual Power Quality goals quickly and cost effectively. Myecosine.com~Site InfoWhoisTrace RouteRBL Check Similar Sites: harmonic-filter.com