SPACEPAK Insulated Flexible Duct: 5 in Dia, 75 ft Lg, 8
SKU 3G-OTH-74419
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Frequently Asked Questions
What is SPACEPAK Insulated Flexible Duct used for?
SPACEPAK Insulated Flexible Duct is used in HVAC systems to distribute conditioned air in residential and light commercial buildings. Its flexible aluminum construction allows easy routing in tight spaces, while the insulation reduces heat loss and condensation. It is ideal for retrofit or new construction ductwork.
What are the specifications of the SPACEPAK AC-ST8-75 duct?
The SPACEPAK AC-ST8-75 is an insulated flexible duct with a 5-inch diameter and 75-foot length. It is made of aluminum and includes insulation for thermal efficiency. The manufacturer part number is AC-ST8-75. This duct is designed for low-pressure HVAC applications and is compatible with SPACEPAK systems.
Where to buy SPACEPAK AC-ST8-75 duct worldwide?
You can source the SPACEPAK AC-ST8-75 insulated flexible duct through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable supply for international buyers.
How to install SPACEPAK insulated flexible duct?
Install SPACEPAK insulated flexible duct by cutting it to length with a sharp knife, then securing it to the supply plenum or register boot using metal clamps or zip ties. Ensure the duct is fully extended without kinks to maintain airflow. Seal all connections with mastic or foil tape to prevent leaks. Follow local HVAC codes for support spacing.
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Common applications for SPACEPAKSPACEPAK Products
3G Electric supplies SPACEPAK insulated flexible duct. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



