Fil-Coil International

Advanced Power
Filtering Solutions

Advanced Power Filtering Solutions For Industrial, Commercial, And Defense Applications

High performance Power Filters

Fil-Coil International is a leading manufacturer of high-performance Electromagnetic Interference (EMI), Radio-Frequency Interference (RFI), and High Altitude Electromagnetic Pulse (HEMP) power filters for industrial, commercial, and defense applications worldwide. With decades of engineering expertise and a commitment to precision, Fil-Coil International delivers advanced filtering solutions that ensure signal integrity, equipment reliability, and regulatory compliance across critical systems.

100% Manufactured In The United States

Our Products

Power Line Filter Cabinets
(Non-Hemp)

Power Line Filter Cabinets
(Hemp)

UL Listed Facility Filters

Power Line Penetration Filters

MRI Filters

RF Signal Line

Why Choose Fil-Coil International?

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

How It Works

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