Vent Systems 4" Filter Replacement - Duct Filter - G4 Class Filtration Purifier System with Steel Mesh Screen - Air Vent Filters for Dust Collection/Air Purification - Rigid/Flexible Vent Hose
PRECISE FIT & DIMENSIONS – Engineered for 4" Inch round ventilation duct filter housings. FILTER DIAMETER: 3.94" Inch. FILTER TOTAL THICKNESS: 0.79" Inch. Designed to fit securely inside duct filter housings, ensuring smooth airflow, effective dust capture, and reliable filtration in HVAC and air extraction systems.
MATERIAL & DURABILITY – Constructed with a G4 class (EU4) filter element, protected by galvanized steel wire mesh on both sides. Built for long-lasting use, offering durability and corrosion resistance even in demanding environments.
FUNCTIONALITY – Effectively improves indoor air quality by capturing dust, pollen, and impurities from the ventilation system. Ensures pure and fresh air circulation through round ducting setups.
EASY INSTALLATION – Quick and hassle-free filter replacement. Simply open the side-mounted clamp to remove or insert the filter—no special tools required.
APPLICATION – Ideal for residential and commercial ventilation systems, including houses, kitchens, bathrooms, garages, and attics. Perfect for offices, hospitals, schools, grow tents, air purifiers, and fan attachments.
