4 inch insulated soundproof flexible duct, 8 FT long, black noise reducer hose for HVAC systems and inline fans.
4 Inch insulated soundproof flexible duct, 8 feet long, with detailed dimensions for HVAC systems.
PVC and aluminum layers of the flexible duct offer excellent corrosion resistance and increased durability.
Glass wool insulation inside the 4-inch duct for thermal resistance, ideal for cooling and heating applications.
Step-by-step installation guide for 4 inch insulated soundproof flexible duct with PVC and aluminum layers for HVAC systems.
Flexible duct installed in HVAC systems, illustrating its application for efficient air circulation and noise reduction.

4 Inch x 8 FT Insulated Flexible Duct with 2 Clamps, Noise Reducing, for Ventilation Systems

$37.99
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Product Information

 

  • Color: Black
  • Ducting Opening Size: 3 inch 4 inch, 5 inch
  • Strectch Lengh: 4 FT / 8 FT
  • Thick layer of PVC&2 layers of Aluminum on this ducting prevents gas leaks. Works with extractor and inline duct fans, carbon filters which are 3"/ 4"/ 5" in diameter.

    Application

    HONGUAN duct silencer is suitable for HVAC system. It will move and deliver air in kitchens (cooking exhaust), green houses and grow rooms (air Circulation, intake, exhaust and light fixture cooling), bathrooms (smell and moisture exhaust), dryer rooms, grow tents and other applications etc.

    HON&GUAN Ventilation Solutions Overview

    Vent Hose Series Description
    PVC Dryer Vent Hose Durable, lightweight PVC hose offers a smooth interior for easy airflow with basic insulation and light‑blocking properties, ideal for short, flexible dryer‑vent runs.
    Double Layer Aluminum Foil Duct Constructed from two concentric layers of aluminum foil reinforced with a steel‑wire helix, this hose delivers superior heat resistance, puncture durability, and minimal lint buildup.
    Semi Rigid Vent Hose Semi‑rigid metal duct combines the airflow efficiency and lint resistance of rigid ducting with moderate flexibility, making installation simple while meeting building‑code requirements.
    Air Conditioning Exhaust Hose Flexible exhaust hose with internal steel support coil for portable AC units, designed to expel heat and humidity efficiently through windows via twist‑and‑snap installation and adjustable lengths.

    Product Comparison: Inline Fan vs Exhaust Fan

    Feature Inline Fan Exhaust Fan
    How it works Installed inside ductwork, moving air through pipes. Mounted on walls or ceilings, directly expels air from the space.
    Applicable scenarios Suitable for long ducts or large spaces like grow tents and industrial environments. Best for smaller spaces, such as bathrooms or kitchens.
    Airflow and efficiency Strong, steady airflow across long distances. Direct airflow but may be less efficient for longer distances.

    CFM Calculator

    To help you determine the correct size fan for your ventilation needs.
    [Click here to calculate the air volume required for your room.]

    Usage Scenarios

    Application Description
    Residential Laundry Rooms A dryer vent hose efficiently channels hot, moist air and lint from residential dryers to the exterior, preventing indoor humidity, mold growth, and reducing fire risk.
    Portable Air Conditioner Venting Connects a portable AC unit to a window or wall kit to expel hot, humid air outside for more efficient cooling and dehumidification.
    Installation for  Duct Fan Serves as the flexible link between an inline duct fan and existing ductwork, ensuring airtight airflow and easy fan placement.

    Related Accessories for HON&GUAN

    Accessory Description Product Link
    Inline Duct Fan High‑performance fan installed directly in ductwork to boost air movement, balance pressure, and optimize ventilation efficiency in HVAC and grow systems. 4 Inch Duct fan
    Air Vents Air vents used to control air flow into and out of spaces, improving ventilation efficiency. 4 Inch Round Soffit Vents
    Duct Connector Connects two or more ducts securely, ensuring airtight seals for better airflow. 4 Inch Duct Connector
    Backdraft Damper Prevents reverse airflow and ensures air only flows in the desired direction. 4 Inch Backdraft Damper
    Carbon Filter Filters out odors and harmful particles, used with exhaust systems in grow tents and industrial spaces. Carbon Filter for Odor Control

    Installation and Maintenance

    To ensure the optimal performance and longevity of your HON&GUAN ventilation system, proper installation and regular maintenance are essential.

    • How to Install: Follow our detailed step-by-step installation guide to ensure correct setup and efficient operation. Click here to read the full installation guide.

    • Maintenance: Regular maintenance helps extend the life of your vent hose and ensures consistent airflow—simply clean the hose interior and exterior to remove lint and debris, check for kinks or blockages, and inspect all connections for wear and tear.

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