Filcoil is the leading supplier of MRI room ac power line filters in the US. Filcoil has been the market leader for over 20 years. We offer complete solutions including MRI/MRA room filters, Telephone filters, Fire alarm filters, and Ethernet filters. Filcoil filters are designed is the US to meet Mil-Std0220A and are UL applreved. They are spectially designed for the rapidly expanding medical MRI field.