4' Insulated Flexible Duct 8 FT Long, Black Noise Reducer Hose Silencer for Inline Duct Fan of Air Conditioner HVAC Ventilation System. 37

4' Insulated Flexible Duct 8 FT Long, Black Noise Reducer Hose Silencer for Inline Duct Fan of Air Conditioner HVAC Ventilation System. 37

Title: 4' Insulated Flexible Duct 8 FT Long, Black Noise Reducer Hose Silencer for Inline Duct Fan of Air Conditioner HVAC Ventilation System. Condition: Used $37 Four-Layer Protection: This silencer features a robust four-layer design: 1 layer of durable PVC, 2 layers of premium aluminum foil, and 1 central core made of high-quality polyester fiber. Additionally, it comes with 2 reinforced clamps for secure installation. Unlike traditional glass wool, which risks releasing harmful fibers into the air through perforated tubes, the polyester fiber core ensures a cleaner and safer airflow. Glass wool particles can cause respiratory irritation and pose long-term health risks, making polyester fiber the superior, non-toxic choice. Anti-Corrosion & Superior Durability: With a thick PVC layer and two layers of aluminum foil, this duct offers exceptional resistance to corrosion and gas leaks, providing a reliable and long-lasting solution. Whether used with extractor fans, exhaust inline duct fans, carbon filters, or boat blower hoses, this duct maintains structural integrity, avoiding the degradation commonly seen in glass wool alternatives. Effective Sound Absorption: The advanced polyester fiber core offers superior noise reduction capabilities compared to traditional glass wool. Its porous structure absorbs sound waves across a wide frequency range without releasing harmful fibers, ensuring a quieter and healthier environment. This makes it an excellent choice for areas where noise control is critical. Thermal Insulation Excellence: Engineered for optimal temperature control, this silencer provides outstanding thermal insulation, withstanding temperatures from -22 F to 302 F (-30 to 150 ). The polyester fiber core surpasses the performance of glass wool, offering better insulation without compromising safety or durability. Premium Build for Multiple Applications: Designed for versatility and high performance, this silencer delivers safe and reliable airflow in kitchens, greenhouses, grow rooms, bathrooms, and other industrial applications.