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SpacePak AC-ST8-75

2" (I.D.) x 75', R-8 Insulation, Flexible High-Velocity Supply Tubing

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  • Pro Installation

This 2" diameter (I.D.) supply tubing is made of 3-ply aluminum, making it flexible yet strong. This supply tubing comes with vapor barrier and R-8 insulation to meet new codes where R-8 is required in uninsulated or unconditioned space. R-8 insulated supply tubing comes in 75 foot lengths to reduce the number of joints between your plenum and outlets. Supply tubing snaps together easily with the use of Kwik Connects.

Supply tubing connects to the plenum with SpacePak Plenum Take-offs, and must be matched with an Installation Common Parts Kit to complete the supply outlet. Depending on how many supply runs you need to make, SpacePak Plenum Take-offs and Installation Common Parts Kits are sold separately in packs of (2) and (5). Please click on the Accessories tab above to choose a kit that works best for your number of intended outlets.

For more information, visit www.SpacePak.com.

Included in the SpacePak AC-ST8-75 Box:
  • (1) 75 ft Length of R-8 Insulated Supply Tubing
Insulation Type
Duct Diameter

The interior diameter of the round duct.

Duct Diameter
2 inches
Duct Length
75 ft

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.