12″ Air-Tite Adhesive Duct Collar w/ Damper HVAC 12-400AD

SKU: 12-400AD

Weight	4 lbs
Dimensions	18 × 14 × 8 in

$43.32

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$43.32	0%
5–9	$41.15	5%
10+	$38.99	10%

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12" Air-Tite Adhesive Duct Collar w/ Damper HVAC 12-400AD

Specifications & product details

12″ Air-Tite Adhesive Start Collar with Damper

HVAC Round Branch Take-Off – Model 12-400AD

This 12-inch Air-Tite round start collar is designed for secure branch take-offs from rectangular or round trunk duct systems.

The integrated manual balancing damper allows airflow adjustment for proper system balancing. The adhesive-backed flange ensures an air-tight seal to reduce leakage and improve HVAC system efficiency.

Specifications:

Diameter: 12″
Includes Manual Balancing Damper
Adhesive Flange for Easy Installation
Galvanized Steel Construction
MFG#: 12-400AD

Ideal For:

✔ Flex duct connections

✔ Supply air takeoffs

✔ Residential and commercial HVAC systems

✔ Air balancing applications

The Air-Tite design helps improve airflow efficiency and reduces energy loss caused by duct leakage.

Built for professional HVAC installers and contractors.

Product details

Part / SKU	12-400AD

Package includes

12" Air-Tite Adhesive Duct Collar w/ Damper HVAC 12-400AD

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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