Commercial HVAC Air Filtration Products & Belts
We carry a broad range of competitively-priced air filtration products designed to meet all your needs

Filters Unlimited Air Filtration Specialists
Family-owned and preferred state vendor located in New Castle, Delaware
Supplying commercial air filtration products to these markets:
Industrial Facilities – Data Centers – Biotechnology – Healthcare/Education – Business Facilities – Hospitality





Portable, Self-Contained HEPA Filtration Systems
ENVIRCO IsoClean® 400/800 HEPA Filtration System
Engineered to provide the optimum combination of efficient HEPA air cleaning and a large number of room air changes per hour to minimize the spread of airborne diseases. The IsoClean 400 comes equipped with a hospital-grade HEPA filter that has an efficiency of 99.99%. The unit can be set up in three modes: 100% recirculation, 100% exhaust (negative pressure), and partial exhaust. The prefilter and HEPA filter are easily accessible for quick and easy replacement. Easy to use and move, the IsoClean 400 fits easily in areas with limited floor space.

National Air Filtration Association (NAFA)

As a proud member of the National Air Filtration Association (NAFA), Filters Unlimited offers a range of exclusive benefits to our valued customers. By being part of NAFA, we gain access to expert knowledge, industry insights, and training programs, ensuring that our customers receive accurate information and reliable air filtration solutions. Our commitment to high-quality standards, combined with our participation in industry networking, enables us to provide superior products and stay at the forefront of advancements in air filtration. Through NAFA’s resources and advocacy efforts, we enhance our ability to offer optimal air quality solutions to our customers. At Filters Unlimited, our NAFA membership signifies our dedication to excellence and guarantees that our customers receive the best air filtration products and services available.
Filters Unlimited Recent Blog Posts
Stay on top of the latest news and solutions in air filtration for HVAC contractors and commercial building facilities. Learn how to optimize your indoor air quality, energy efficiency, and cost savings with our state-of-the-art filter solutions. Follow our blog and get expert insights and recommendations from our team.
The Future of Air Quality with the BioMAX Series
At Filters Unlimited, we’ve always been at the forefront of HVAC solutions, ensuring that the…
Strengthening Our Commitment to Quality: Filters Unlimited Joins NAFA
At Filters Unlimited, our mission has always been to deliver premium quality air filters that…
The Smarter Choice: Permatron PreVent Air Filters
The importance of maintaining optimal air flow in commercial buildings cannot be overstated. It plays…