Unico UPC-04-3642 18″ R4.2 Return Air Duct 10 ft Insulated HVAC Flex

SKU: UPC-04-3642

Weight	22 lbs
Condition	New
Manufacturer Part Number	UPC-04-3642
Brand	Unico Incorporated

$727.78

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Quantity	Unit price	Saving
1–4	$727.78	0%
5–9	$691.39	5%
10+	$655.00	10%

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Unico UPC-04-3642 18" R4.2 Return Air Duct 10 ft Insulated HVAC Flex

Specifications & product details

Unico 18″ Return Air Duct R4.2 Insulated Flex Duct – 10 ft

The Unico UPC-04-3642 return air duct is designed for use with Unico high-velocity HVAC systems, providing efficient air return and improved airflow performance in residential and light commercial installations.

This 18-inch diameter insulated flexible duct features R4.2 insulation, helping reduce energy loss and condensation while maintaining proper air temperature throughout the return air system.

The durable flexible construction allows easy installation in tight spaces and complex duct layouts.

Ideal for HVAC professionals installing or servicing Unico small-duct high-velocity systems.

Specifications

Manufacturer: Unico Incorporated

Model: UPC-04-3642

Type: Return Air Duct

Diameter: 18 inches

Length: 10 ft

Insulation Rating: R4.2

Application: HVAC Return Air Systems

Features

• Designed for Unico HVAC systems
• Flexible duct for easy installation
• R4.2 insulation reduces thermal loss
• Durable aluminum exterior jacket
• Ideal for residential or light commercial HVAC applications
• Supports efficient return airflow

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