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Anodized Aluminum Innerduct Terminal Adapter

SKU: CD8-6053-75
Various lead times may apply to this product. Please contact us for more details.

ETL verifiedCSA rated

These products are all Made to Order

Which means they are non-cancelable and non-refundable


Innerduct Terminal Adapter

Our Aluminum Innerduct Terminal Adapters are engineered for use with corrugated Innerduct, ensuring a secure seal between Innerduct runs and junction/terminal boxes. The female threads on the coupler create a tight seal by rotating and pulling the duct inside. The male end features a lock ring for securing the connection to a junction/terminal box.

Product Quality

To ensure our Innerduct Terminal Adapters meet the highest of industry standards, each adapter meets Riser UL 1666 Standards, Plenum UL 2024 Standards, is ETL listed, and meets CSA standards.

Durability & Strength

Our Anodized Aluminum Innerduct Terminal Adapters provide a secure connection between two Innerduct runs and a junction box/terminal box. The tapered screw on design comes in multiple sizes including 3/4" - 2".

Innerduct Products

To complement your Innerduct installations, we offer Anodized Aluminum Couplers for joining separate Innerduct runs. Our product range includes Split Loom Tubing, Riser-rated Innerduct, Plenum-Rated Innerduct, and HDPE Innerduct. For inquiries, please contact us via phone or email.



  • Long lasting anodized aluminum
  • Easy installation and removal
  • Includes lock ring
  • Riser-rated, plenum-rated, and general use
  • Reusable

Additional Information

Additional Information

We offer comprehensive Innerduct solutions encompassing various types and ratings of indoor flexible, corrugated Innerduct, including plenum-rated, riser-rated, and HDPE variants. Innerduct selection depends on specific requirements such as pulling strength, flexibility, fire rating, and coefficient of friction.

Innerduct Example Installation

Plenum Innerduct

Designed for horizontal runs or where vertical runs are inside an air-handling space. A plenum space is a part of a building that can facilitate air circulation for heating and air conditioning systems. Space between a structural ceiling and a dropped ceiling or space under a raised floor are typically considered plenum.

Riser Innerduct

Perfect for runs in non-air handling spaces such as walls directly leading to work-area outlets. Riser-rating is different from Plenum, Riser is a vertical area that passes from one floor to another floor inside a building. For example, an elevator shaft or conduit from one floor to another floor is considered Riser.

HDPE Innerduct

Manufactured from high-density polyethylene (HDPE), intended to be placed inside of Conduit. This Innerduct is lightweight offering maximum flexibility and allowing for installations in small or restricted areas.

What’s In The Box

What’s In The Box

  • Qty 1 - Innerduct Terminal Adapter