Row filter-holdings-swoopty Shape Decorative svg added to bottom <

Big news!  America's East Coast Leader in

After-Market Sewn Filter Products is now part of I.W. Tremont Corp.

Since 1945, FHI Filter has been a trusted provider of high-quality sewn filter products, proudly manufactured in Union, New Jersey.

IWT-over-white
Summit Filter Corporation logo
Shaffer Products Inc logo
Laboratory filtration

Laboratory
Filtration

Specializing in advanced laboratory-filtration solutions, I.W. Tremont delivers high-precision media and assemblies for critical applications such as syringe filters, membranes, and extraction thimbles

View Industry

<span style="font-weight:900">Industrial</span><br> <span style="font-weight:300"> Filtration</span>

Industrial
Filtration

Offering a wide range of aftermarket filter bags, with a focus on smaller, specialized orders. We excel in delivering high-performance felts and fabrics tailored to unique applications—no job is too small for us.

View Industry

<span style="font-weight:900">Life Science</span><br> <span style="font-weight:300"> Filtration</span>

Life Science
Filtration

Expertise in producing filter solutions for fluid bed dryer filter bags, centrifuge liners, and transition and connecting skirts.

View Industry

Diagnostics material

Diagnostics
materials

A complete line of lateral and vertical flow diagnostic materials with the efficacy of complete device in mind

View Industry

Be up to date

News and upcoming events

Read the latest from I.W. Tremont about the topics relevant to your industry and manufacturing process.

IWT is a 45+ year established company and this is some of our team.
Filter Holdings logo
Filter Holdings
July 24, 2025 —

I.W. Tremont Expands Capabilities with Acquisition of Filter Holdings, Inc.

HAWTHORNE, NJ — July 24, 2025 — I.W. Tremont Co., Inc., a…

Jim Averso
April 14, 2025 —

Faster Ship Times for Custom Sewn Filters: Filter Holdings First Quarter 2025 Update

Customers depend on FHI for high quality sewn filters, and we know…

Jim Averso
March 19, 2025 —

Asphalt World 2025: Connect with Us in St. Louis!

Heading to Asphalt World 2025? Let’s Connect! We’re gearing up for an…

Row filter-holdings-swoopty Shape Decorative svg added to bottom <
I.W. Tremont

Find the Right Technical Paper for Your Application

Since 1979, I.W. Tremont has produced high-quality filtration and specialty media for laboratories, diagnostics, and technical applications—combining material science expertise with exceptional service.

SEE OUR APPLICATIONS