QUIETFLEX Insulated Flexible Duct
The QUIETFLEX Insulated Flexible Duct (SKU 385, MPN 385) is a 3-inch diameter, 25-foot long fiberglass duct with a metallized polyester jacket. It features a fire rating of less than 25 seconds and a vapor…
SKU 3G-OTH-74495
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The QUIETFLEX Insulated Flexible Duct (SKU 385, MPN 385) is a 3-inch diameter, 25-foot long fiberglass duct with a metallized polyester jacket. It features a fire rating of less than 25 seconds and a vapor transmission rate of 0.05%.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the QUIETFLEX insulated flex duct used for?
The QUIETFLEX insulated flex duct is used for HVAC air distribution in residential and light commercial systems. Its fiberglass insulation and metallized polyester jacket reduce heat loss and control condensation, making it suitable for supply and return air applications where thermal efficiency and vapor control are required.
What are the specifications of the QUIETFLEX 385 insulated flex duct?
The QUIETFLEX 385 insulated flex duct has a 3-inch diameter, 25-foot length, and a fiberglass core with a metallized polyester jacket. It offers a fire rating of less than 25 seconds and a vapor transmission rate of 0.05%. The manufacturer part number is 385, and the SKU is 3G-OTH-74495.
Where to buy QUIETFLEX insulated flex duct worldwide?
3G Electric supplies QUIETFLEX insulated flex duct worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the QUIETFLEX 385 (SKU 3G-OTH-74495) for your HVAC project.
How to install QUIETFLEX insulated flex duct?
Install QUIETFLEX insulated flex duct by cutting it to length with a sharp knife, then securing it to the HVAC plenum or register using metal clamps or zip ties. Ensure the vapor barrier is intact and avoid sharp bends to maintain airflow. Follow local building codes for fire-rated duct installation.
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Common applications for QUIETFLEXQUIETFLEX Products
3G Electric supplies QUIETFLEX insulated flexible duct. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.