Inline Filter Box with H13 High Efficiency Air Filter- 4"/6" Flanges Included, Filter Box Fit 4/6 Inch Inline Duct Fans for Fresh Air Intake and

Inline Filter Box with H13 High Efficiency Air Filter- 4"/6" Flanges Included, Filter Box Fit 4/6 Inch Inline Duct Fans for Fresh Air Intake and

Sturdy Construction: Made of high-quality corrosion-resistant iron material, durable and long-lasting, ensuring reliable performance in harsh environments. Dual-Size Flange Flexible Adaptation: Includes two 4" and two 6" flanged ports for seamless compatibility with standard ductwork, reducing installation complexity. High-Efficiency Filtration: H13 HEPA filter removes 90% of 0.3-micron particles, including dust, dirt, lint, and other airborne contaminants, deal for woodworking dust, smoke purification and air quality control. Easy Installation: The Inline Filter Box requires no complex tools—simply connect to existing ductwork for immediate air quality improvement. Mounts effortlessly on ceilings, walls, or standalone brackets. Multi-Application Solution: Works as inline duct filter for HVAC systems, dust collector filter box, workshop air filtration unit and industrial exhaust systems. A duct filter box designed for use with inline fans to circulate fresh air and block dust and odors.