Uxcell 2Pcs In-line Duct Sound Absorbing Tool Sponge, (100mm/ 4") - Elastic Duct Noise Reducing Foam Sound Insulation Silence Ducting Accessories for Round Ventilation Pipes, Black

<div class="div-os-obd"></div>[WHAT TO GET]: This ventilation duct noise reducing foam is specially designed to be used in ventilation ducts and flexible vent hoses of fresh air ventilation systems to reduce noise, avoid dust accumulation, and optimize ventilation performance. The sound insulation tools is made of high-density PU ventilation duct noise reducing sponge, which has high density and good elasticity, and with multi-segment design, it can efficiently absorb sound wave energy while ensuring smooth air flow.<br class="div-os-obd"><br class="div-os-obd">[WHEN/WHERE TO USE]: The inline duct fan absorbing foam can effectively reduce the airflow and vibration noise during the operation of the ventilation system. It is suitable for HVAC systems, kitchen range hoods, bathroom exhaust fans, dryer exhaust ducts, and diesel heater ducts, and is suitable for homes, hotels, restaurants, shops, factories, and other places.<br class="div-os-obd"><br class="div-os-obd">[WHAT IT IS]: Outer Diameter: 100 mm / 4 inch, Height: 80 mm / 3.15 inch, Suitable for ventilation duct diameter: 100 mm/ 4 inch, Package Content: 2Pcs Duct Absorbing Foam.<br class="div-os-obd"><br class="div-os-obd">[HOW TO USE]: Remove the plug from the hole first, then push the duct sound-absorbing foam insert into the air duct for a tight fit with the duct or air outlet.<br class="div-os-obd">&nbsp;<br class="div-os-obd">[WHAT TO AVOID]: Please make sure to confirm that the ventilation system pipe diameter is suitable for the product before use. Before installation, the ventilation system power must be turned off and the fan must be completely stopped before operation.<div class="div-os-obd"></div>

• Noise reducing foam for PVC ducts
• High-density PU sponge material
• Absorbs sound wave energy efficiently
• Reduces airflow and vibration noise
• Compatible with various ventilation systems
• Outer Diameter: 75 mm, Height: 80 mm
• Easy installation into air ducts