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MTI 4-Inch Long Tab Duct Collar | FCL04

Name: MTI 4-Inch Long Tab Duct Collar | FCL04
Brand: MTI
SKU: FCL04
Price: 1.82 USD
Availability: InStock

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SKU:: FCL04

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MTI 4-Inch Long Tab Duct Collar FCL04 – main product view

UPC:: 662761573928
Condition:: New
Width:: 4.00 (in)
Height:: 4.00 (in)
Depth:: 5.50 (in)

Questions about MTI 4-Inch Long Tab Duct Collar | FCL04?

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Overview

MTI 4-Inch Long Tab Duct Collar | FCL04

Product details

Description

Product Summary

The MTI FCL04 is a 4-inch long tab duct collar for connecting round flex duct to duct board or sheet metal plenums.

Long tabs fold over inside the plenum for a secure fit in thicker duct board walls.

Key Features

Long tabs: secure attachment through duct board.
4-inch size: accepts 4-inch round duct.
Fast install: cut, insert and bend.
Seal ready: seal with mastic or listed tape.

Specifications

Brand	MTI
Model	FCL04
Product Type	Long tab start collar
Diameter	4 in

Ideal Applications

Duct board plenums and trunks
Branch take-offs
Residential duct replacements

Frequently Asked Questions

What duct does it fit?

4-inch round flex or rigid duct.

Should it be sealed?

Yes, seal all joints with mastic or listed tape.

Comfort for the people who live there

The right equipment keeps the rooms you live in steady and quiet, whether it's dinner in the kitchen or a weekend project in the garage.

Specifications

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Quick sizing snapshot

Enter your home size and a few basics to see a quick HVAC365 sizing snapshot you can review with a Professional.

Home size (sq ft)

Enter at least 100 sq ft.

Use conditioned square footage only; skip garages and unfinished basements.

Climate

We’ll auto-detect for U.S. visitors.

Home type

Select your home type.

Shared walls and insulation levels change the load—pick what matches your structure.

System type

Choose a system type.

Match the system to your ductwork, fuel, or preferred heat source for best comfort.

This is a sizing estimate for general guidance only. Always confirm final size, duct design, and fuel type with a Professional before purchasing equipment or pulling permits.

Brand:

MTI

Width:

4.00 (in)

Height:

4.00 (in)

Depth:

5.50 (in)

Weight:

0.41 LBS

Product Type:

Long tab start collar

Diameter:

4 in

Material:

Galvanized steel

Sold By:

Each

Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.

2023 Energy Standards

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Documents & warranty

Warranty

30 Days Parts

Frequently asked questions

What warranty comes with the FCL04?

30 Days Parts

Who makes the FCL04?

The FCL04 is made by MTI.

MTI 4-Inch Long Tab Duct Collar | FCL04

MTI

Questions about MTI 4-Inch Long Tab Duct Collar | FCL04?

At a glance

MTI 4-Inch Long Tab Duct Collar | FCL04