Duct Fittings

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Master Flow 4 in. 90-Degree Turned 26-Gauge Adjustable Elbow
Master Flow 4 in. 90-Degree Turned 26-Gauge Adjustable Elbow
Item # 3586112

Master Flow 26-Gauge 90 Adjustable 4 in. Elbow is used to make turns in runs of round pipe and flexible duct through 90. It has a sturdy galvanized steel construction and is simple to adjust. It is also crimped on 1 end to easily fit into a pipe or other fitting of the same diameter. Ships in 90 position.

  • Used to make angular or gradual turns in runs of pipe
  • Adjustable to any angle through 90
  • 26-Gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (not included)
Units: Each
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Master Flow 4 in. x 5 ft. Beaded Metal Duct Pipe
Master Flow 4 in. x 5 ft. Beaded Metal Duct Pipe
Item # 3570304

Master Flow Beaded Metal Pipe is available to help make your next HVAC project a success. Beaded pipe can be used as a main trunk line or branch line, as well as in return air situations. It maintains the most efficient characteristics for airflow and is common throughout the country. A simple snap lock design and sturdy galvanized steel construction on Master Flow beaded pipe creates a quick and secure installation that you can rely on.

  • Galvanized steel construction
  • Beaded for strength
  • Easy-to-install snap lock design
  • Crimped end for a secure interlocking fit
  • Can be cut to needed length with tin snips
  • Always seal seams with building code approved sealant or duct tape
  • Always insulate ductwork for greater system efficiency and comfort
Units: Each
Qty:

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Master Flow 6 in. 90-Degree Turned 26-Gauge Adjustable Elbow
Master Flow 6 in. 90-Degree Turned 26-Gauge Adjustable Elbow
Item # 3586114

Master Flow 26-Gauge 90 Adjustable 8 in. Elbow is used to make turns in runs of round pipe and flexible duct through 90. It has a sturdy galvanized steel construction and is simple to adjust. It is also crimped on 1 end to easily fit into a pipe or other fitting of the same diameter. Ships in 90 position.

  • Used to make angular or gradual turns in runs of pipe
  • Adjustable to any angle through 90
  • 26-Gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (not included)
Units: Each
Qty:

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Master Flow 3 in. Turned 26-Gauge Adjustable 90-Degree Elbow
Master Flow 3 in. Turned 26-Gauge Adjustable 90-Degree Elbow
Item # 3586111

Master Flow 26-Gauge 90Adjustable 3 in. Elbow is used to make turns in runs of round pipe and flexible duct through 90. It has a sturdy galvanized steel construction and is simple to adjust. It is also crimped on 1 end to easily fit into a pipe or other fitting of the same diameter. Ships in 90 position.

  • Used to make angular or gradual turns in runs of pipe
  • Adjustable to any angle through 90
  • 26-Gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (not included)
Units: Each
Qty:

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Master Flow 60 in. S-Cleat
Master Flow 60 in. S-Cleat
Item # 3570355

Master Flow Drive Cleats and "S" Cleats are used to join sections of rectangular duct and stack duct in. HVAC systems. These cleats are sleeves of galvanize steel that help to securely assemble the top and bottom ( "S") and left and right sides (Drive) of rectangular duct runs. "S" cleats are used to connect the long side of the duct, while Drive cleats are used to connect the short side.

  • Galvanized steel construction
  • Always seal seams with code approved mastic or sealant (or duct tape)
  • Always insulate ductwork for greater system efficiency and comfort
  • "S" Cleats secure bare edges of rectangular duct
  • Insulate ductwork to promote system efficiency
Units: Each
Qty:

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Master Flow 4 in. x 2 ft. Round Aluminum Pipe
Master Flow 4 in. x 2 ft. Round Aluminum Pipe
Item # 3570359

The Master Flow 4 in. x 24 in. Round Pipe is made from aluminum for strength. The snap lock design makes installation easy, and the pipe should be installed using sheet metal screws for durability. The pipe features a convenient design that can be cut to any length using tin snips. The pipe's seams should be sealed after installation with building code approved mastic, sealant or duct tape for efficient operation.

  • Made from aluminum for strength
  • Snap lock design makes installation easy
  • Should be installed using sheet metal screws for durability
  • Convenient design can be cut to any length using tin snips
  • Seams should be sealed after installation with building code approved mastic, sealant or duct tape for efficient operation
Units: Each
Qty:

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Master Flow 4 in. x 24 in. 26-Gauge Round Duct Pipe
Master Flow 4 in. x 24 in. 26-Gauge Round Duct Pipe
Item # 3583561

Heavy Gauge 4 in. Pipe is used to vent boilers, furnaces and hot water heaters. Available in a variety of common lengths, diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel construction combine for a quick and secure installation that you can rely on.

  • Easy-to-install snap lock design
  • Crimped end with a stop-bead for a secure interlocking fit
  • Sturdy 26-Gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape
  • Always insulate ductwork for greater system efficiency and comfort
Units: Each
Qty:

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Master Flow 60 in. Drive Cleat
Master Flow 60 in. Drive Cleat
Item # 3570354

Master Flow Drive Cleats and "S" Cleats are used to join sections of rectangular duct and stack duct in. HVAC systems. These cleats are sleeves of galvanize steel that help to securely assemble the top and bottom ( "S") and left and right sides (Drive) of rectangular duct runs. "S" cleats are used to connect the long side of the duct, while Drive cleats are used to connect the short side.

  • Galvanized steel construction
  • Always seal seams with code approved mastic or sealant (or duct tape)
  • Always insulate ductwork for greater system efficiency and comfort
  • Can be hammered in place
Units: Each
Qty:

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Master Flow 4 in. Round Duct Cap
Master Flow 4 in. Round Duct Cap
Item # 3570327

The Master Flow 4 in. Round Duct Cap, also called a tee-cap or clean-out plug, is constructed of galvanized steel for durability. The duct cap is used to terminate or block off a rectangular duct run in HVAC systems. It can be installed with sheet metal screws (sold separately) and is suitable for most HVAC applications.

  • Sturdy galvanized steel construction
  • Use to cap off a round or rectangular duct run
  • Install with sheet metal screws (not included)
  • Fits most HVAC types for universal application
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Units: Each
Qty:

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Master Flow 5 in. 90-Degree Turned 26-Gauge Adjustable Elbow
Master Flow 5 in. 90-Degree Turned 26-Gauge Adjustable Elbow
Item # 3586113

Master Flow 26-Gauge 90 Adjustable 5 in. Elbow is used to make turns in runs of round pipe and flexible duct through 90. It has a sturdy galvanized steel construction and is simple to adjust. It is also crimped on 1 end to easily fit into a pipe or other fitting of the same diameter. Ships in 90 position.

  • Used to make angular or gradual turns in runs of pipe
  • Adjustable to any angle through 90
  • 26-Gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (not included)
Units: Each
Qty:

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Master Flow 3 in. x 24 in. 26-Gauge Round Duct Pipe
Master Flow 3 in. x 24 in. 26-Gauge Round Duct Pipe
Item # 3583560

Heavy Gauge 3 in. Pipe is used to vent boilers, furnaces and hot water heaters. Available in a variety of common lengths, diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel construction combine for a quick and secure installation that you can rely on.

  • Easy-to-install snap lock design
  • Crimped end with a stop-bead for a secure interlocking fit
  • Sturdy 26-Gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape
  • Always insulate ductwork for greater system efficiency and comfort
Units: Each
Qty:

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Master Flow 3 in. 90-Degree Turned Standard Adjustable Elbow
Master Flow 3 in. 90-Degree Turned Standard Adjustable Elbow
Item # 3586124

Master Flow Standard 90 Adjustable 3 in. Elbow is used to make turns in runs of round pipe and flexible duct through 90. It has a sturdy galvanized steel construction and is simple to adjust. It is also crimped on 1 end to easily fit into a pipe or other fitting of the same diameter. Ships in 90 position.

  • Used to make angular or gradual turns in runs of pipe
  • Adjustable to any angle through 90
  • 30-Gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (not included)
Units: Each
Qty:

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Master Flow 8 in. Starting Collar Take Off
Master Flow 8 in. Starting Collar Take Off
Item # 3570380

The Master Flow 8 in. Starting Collar is suitable for most HVAC applications. It provides a transition from a flat surface like a plenum (made from metal, ductboard or insulated) to round pipe or insulated flexible duct. It can be used with ductboard, an internally lined or unlined plenum. This galvanized steel starting collar features extra-long tabs to fit most duct board thicknesses.

  • Connects round pipe or insulated flexible duct to a flat surface to start a duct run
  • Install with sheet metal screws (not included)
  • Fits most HVAC types for universal application
  • Can be used with an internally lined or unlined plenum
  • Extra-long tabs to fit most ductboard thicknesses through 1-1/2 in. (or R-6 value)
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Units: Each
Qty:

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Master Flow 6 in. x 2 ft. 26 Gauge Round Metal Duct Pipe
Master Flow 6 in. x 2 ft. 26 Gauge Round Metal Duct Pipe
Item # 3570301

Master Flow Heavy Gauge Pipe is used to vent boilers, furnaces and hot water heaters. Master Flow metal pipe is available in a variety of common lengths, diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel construction combine for a quick and secure installation that you can rely on.

  • Easy-to-install snap lock design
  • Crimped end with a stop-bead for a secure interlocking fit
  • Sturdy 26 gauge, galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape
  • Always insulate ductwork for greater system efficiency and comfort
Units: Each
Qty:

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Master Flow 4 in. 28-Gauge 90-Degree Adjustable Elbow
Master Flow 4 in. 28-Gauge 90-Degree Adjustable Elbow
Item # 3578645

Heavy Gauge Adjustable Elbows are used to make angular turns in round pipe to vent boilers, furnaces and hot water heaters where allowed by code. They have a sturdy galvanized steel construction and are simple to adjust. They are also crimped on one end to easily fit into a pipe or other fitting of the same diameter.

  • Used to make angular or gradual turns in runs of pipe
  • Adjustable to any angle through 90°
  • 28-Gauge, galvanized steel construction
  • Crimped end for easy installation
  • Always seal seams with building code approved sealant or duct tape
  • Always insulate ductwork for greater system efficiency and comfort
Units: Each
Qty:

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Master Flow 6 in. Round Duct Cap
Master Flow 6 in. Round Duct Cap
Item # 3570329

The Master Flow 6 in. Round Duct Cap, also called a tee-cap or clean-out plug, is constructed of galvanized steel for durability. The duct cap is used to terminate or block off a rectangular duct run in HVAC systems. It can be installed with sheet metal screws (sold separately) and is suitable for most HVAC applications.

  • Sturdy galvanized steel construction
  • Use to cap off a round or rectangular duct run
  • Install with sheet metal screws (not included)
  • Fits most HVAC types for universal application
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Units: Each
Qty:

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Master Flow 6 in. Dia. Starting Collar
Master Flow 6 in. Dia. Starting Collar
Item # 3570362

The Master Flow 6 in. Diameter Starting Collar is crimped for easy installation. This starting collar can be used to transition from a flat surface such as an unlined metal plenum to round metal pipe. Can also be attached to most unlined metal ductwork, such as rectangular duct. Constructed of galvanized steel, this starting collar is made for durability.

  • Made of galvanized steel
  • Fits most 6 in. metal pipe
  • Helps transition from unlined metal duct to round pipe
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Units: Each
Qty:

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Master Flow 6 in. to 4 in. Round Reducer
Master Flow 6 in. to 4 in. Round Reducer
Item # 3570313

The Master Flow 6 in. x 4 in. Round Reducer is made of galvanized steel. It features hemmed collar edges for enhanced strength and a secure fit. The reducer is used to transition from a 6 in. pipe to a 4 in. pipe in an HVAC system. It is suitable for most HVAC applications.

  • 30-Gauge, galvanized steel construction for durability
  • Hemmed collar edges for an improved fit and increased strength
  • Connects 6 in. pipe to 4 in. pipe in duct run
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
Units: Each
Qty:

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Master Flow 6 in. Air-Tite Take-Off with Damper
Master Flow 6 in. Air-Tite Take-Off with Damper
Item # 3578694

The Master Flow Air-Tite 6 in. Take-Off provides an airtight seal when connecting insulated flexible duct or round pipe to a flat surface. This take-off can be used to redirect air from any side of the plenum or to transition from a rectangular pipe run. The built in damper allows adjusting air flow in the duct run. The Air-Tite Take-Off can be installed with sheet metal screws (sold separately) and is suitable for most HVAC applications.

  • Connects insulated flexible duct or round pipe to a flat surface
  • Built-in damper
  • Can be used to route air from any side of the plenum or to transition from a rectangular pipe run
  • Install with sheet metal screws (not included)
  • Fits most HVAC types for universal application
  • Tacky gasket helps create a secure, airtight seal
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Units: Each
Qty:

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Master Flow 10 in. x 6 in. to 6 in. Universal Register Box with Flange
Master Flow 10 in. x 6 in. to 6 in. Universal Register Box with Flange
Item # 3570397

The Master Flow 10 in. x 6 in. x 6 in. Universal Register Box with Flange is made of 30-Gauge, galvanized steel. It creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. The built-in flange provides space for easy joist attachment for a more secure installation.

  • Made of 30-Gauge, galvanized steel
  • Creates a straight (in-line) transition from 6 in. round pipe or insulated flexible duct to a 10 in. x 6 in. air register or grille
  • Built-in flange provides area for register screws, sheetrock frame or joist attachment
  • Flange allows for installation before dry walling
  • Maximum temperature rating of 390°F, minimum temperature rating of 100°F
Units: Each
Qty:

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Master Flow 6 in. Starting Collar
Master Flow 6 in. Starting Collar
Item # 3570365

The Master Flow 6 in. Starting Collar is suitable for most HVAC applications. It provides a transition from a flat surface like a plenum (made from metal, duct board or insulated) to round pipe or insulated flexible duct. It can be used with duct board, an internally lined or unlined plenum. This galvanized steel starting collar features extra-long tabs to fit most duct board thicknesses.

  • Connects round pipe or insulated flexible duct to a flat surface to start a duct run
  • Fits most HVAC types for universal application
  • Can be used with an internally lined or unlined plenum
  • Extra-long tabs to fit most duct board thicknesses through 1-1/2 in. (or R-6 value)
Units: Each
Qty:

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Master Flow 6 in. Starting Collar Take Off
Master Flow 6 in. Starting Collar Take Off
Item # 3570378

The Master Flow 6 in. Starting Collar is suitable for most HVAC applications. It provides a transition from a flat surface like a plenum (made from metal, ductboard or insulated) to round pipe or insulated flexible duct. It can be used with ductboard, an internally lined or unlined plenum. This galvanized steel starting collar features extra-long tabs to fit most duct board thicknesses.

  • Connects round pipe or insulated flexible duct to a flat surface to start a duct run
  • Install with sheet metal screws (not included)
  • Fits most HVAC types for universal application
  • Can be used with an internally lined or unlined plenum
  • Extra-long tabs to fit most ductboard thicknesses through 1-1/2 in. (or R-6 value)
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Units: Each
Qty:

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Master Flow 3 in. 28-Gauge 90-Degree Adjustable Elbow
Master Flow 3 in. 28-Gauge 90-Degree Adjustable Elbow
Item # 3578644

Heavy Gauge Adjustable Elbows are used to make angular turns in round pipe to vent boilers, furnaces and hot water heaters where allowed by code. They have a sturdy galvanized steel construction and are simple to adjust. They are also crimped on one end to easily fit into a pipe or other fitting of the same diameter.

  • Used to make angular or gradual turns in runs of pipe
  • Adjustable to any angle through 90°
  • 28-Gauge, galvanized steel construction
  • Crimped end for easy installation
  • Always seal seams with building code approved sealant or duct tape
  • Always insulate ductwork for greater system efficiency and comfort
Units: Each
Qty:

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Master Flow 4 in. to 3 in. Round Reducer
Master Flow 4 in. to 3 in. Round Reducer
Item # 3570311

The Master Flow 4 in. x 3 in. Round Reducer is made of galvanized steel. It features hemmed collar edges for enhanced strength and a secure fit. The reducer is used to transition from a 4 in. pipe to a 3 in. pipe in an HVAC system. It is suitable for most HVAC applications.

  • 30-Gauge, galvanized steel construction for durability
  • Hemmed collar edges for an improved fit and increased strength
  • Connects 4 in. pipe to 3 in. pipe in duct run
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
Units: Each
Qty:

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