18″ Air-Tite Adhesive Duct Collar Round HVAC Start Collar 18-400A

Name: 18" Air-Tite Adhesive Duct Collar Round HVAC Start Collar 18-400A
SKU: 18-400A
Price: 45.88 USD
Availability: InStock

SKU: 18-400A

$45.88

In stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$45.88	0%
5–9	$43.59	5%
10+	$41.29	10%

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Product Description

Overview

18" Air-Tite Adhesive Start Collar – Round HVAC Duct Connector

This 18-inch Air-Tite adhesive duct collar is designed to provide a secure, sealed connection between round ductwork and plenum or sheet metal surfaces. The adhesive-backed flange allows for fast installation while maintaining an airtight seal to reduce leakage and improve system efficiency.

Constructed from galvanized steel for durability and corrosion resistance, this collar features a crimped end for easy connection to standard 18" round duct.

Specifications

•
Diameter: 18"
•
Type: Adhesive Start Collar
•
Material: Galvanized Steel
• Crimped End for Secure Duct Attachment
•
MFG#: 18-400A
Features & Benefits:
• Adhesive flange for quick installation
• Reduces air leakage
• Improves HVAC efficiency
• Ideal for supply or return duct systems
• Contractor-grade sheet metal fitting
Common

Applications

• Connecting round duct to air handlers
• HVAC plenum transitions
• New duct installation
• Repair or retrofit projects

Product details

Part / SKU	18-400A

Package includes

18" Air-Tite Adhesive Duct Collar Round HVAC Start Collar 18-400A

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