About Us
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1. We have over 50 years of experience and manufacturing EMI, RFI, & Hemp Power filters.
2. All our products are 100% made, vertically integrated, and manufactured in the United States.
3. We manufacture over 500 filter products that have been tested, listed and approved by UL.
4. Our filters meet both MIL-F-15733 & Mil- STD 220.
5. Fil Coil’s engineering team will assist on your electrical and mechanical modifications to meet your custom requirements.
6. We have standard and custom power filters available in single, two- and three-line configuration, for MRI rooms and devices.
7. Our filters cover All TEMPEST, HEMP, EMP and SCIF applications.
8. We have the most robust products in the industry! They are designed for reliability for decades of performance in the field.
9. We have Power filters for all 60Hz & 400Hz applications and for low voltage and hi voltage requirements.
10. Small footprint for tight spaces, custom sizes and solutions available to meet your project’s specifications.
11. Built in an ISO 9000 & 14,000 environment and we use non-toxic and safe materials during manufacturing processes.
12. Competitive industry lead times
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EMP / HEMP PROTECTION
Fil-coil International is a leading manufacturer of electromagnetic filters for Power Lines, Data Communications, HEMP (High Altitude Electromagnetic Pulse), RFI/EMI (Radio Frequency Interference/Electro-Magnetic Interference), MRI (Magnetic Resonance Imaging) Rooms ranges from 1 to 5000 Amperes
Fil-Coil Websites
Full digital catalog for all Fil-Coil filters: WWW.CUSTOMPOWERSYSTEM.COM
NEW Fil-CoiI International website: