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.

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 Science Behind Koch High-Efficiency Filters
Introduction Clean air is essential for maintaining good health, properly functioning sensitive equipment, and protecting…
Combating COVID-19 and Airborne Pathogens: The Power of Air Filtration, Portable HEPA Filters, and Ventilation
Introduction The COVID-19 pandemic has undoubtedly shifted our focus to the importance of indoor air…
Indoor Air Quality Matters: Unlocking the Benefits of Healthy Buildings for Your Business
Imagine walking into a workspace where the air is clean, the surroundings are infused with…