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Master Flow 14 in. x 6 in. to 8 in. Universal Register Box
Master Flow 14 in. x 6 in. to 8 in. Universal Register Box
Item # 3570388

The Master Flow 14 in. x 6 in. x 8 in. Universal Register Box creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. It can be installed with sheet metal screws. It is suitable for most HVAC applications. This universal register box is made of galvanized steel.

  • Galvanized steel construction
  • Creates a straight (in-line) transition from 8 in. round pipe or insulated flexible duct to a 14 in. x 6 in. air register or grille
  • Install with sheet metal screws (not included)
  • Always seal seams with building code-approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
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Master Flow 10 in. x 4 in. to 6 in. Universal Register Box
Master Flow 10 in. x 4 in. to 6 in. Universal Register Box
Item # 3570386

This Master Flow 10 in. x 4 in. to 6 in. Universal Register Box creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. It can be installed with sheet metal screws. It is suitable for most HVAC applications. This universal register box is made of galvanized steel.

  • Galvanized steel construction
  • Creates a straight, in-line transition from an insulated flexible duct or round pipe to an air register or grille
  • Installs with sheet-metal screws
  • Insulate ductwork for system efficiency and comfort
  • Seal seams with code-approved mastic, sealant or duct tape (not included)
Units: Each
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Master Flow 10 in. x 4 in. to 6 in. End Register Box
Master Flow 10 in. x 4 in. to 6 in. End Register Box
Item # 3570393

This Master Flow 10 in. x 4 in. x 6 in. End Register Box is ideal for when the opening in your floor is parallel to the floor joists and header and you need to create a right-angle, center-end transition between your system run and an air register. Connects to 6 in. flexible duct or round Pipe. Accepts a 10 in. x 4 in. grille.

  • Galvanized steel construction
  • Create a right-angle, center-end transition from the system run to an air register
  • Ideal for situations where the opening in the floor runs parallel to the floor joists and header
  • Installs with sheet-metal screws
  • Insulate ductwork for system efficiency and comfort
  • Seal seams with code-approved mastic, sealant or duct tape (not included)
Units: Each
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Master Flow 10 in. x 4 in. to 6 in. 90-Degree Register Box
Master Flow 10 in. x 4 in. to 6 in. 90-Degree Register Box
Item # 3570390

The Master Flow 10 in. x 4 in. x 6 in. 90°Register Box creates a right-angle transition from round pipe or insulated flexible duct to an air register. This box is made of galvanized steel. It can be installed with sheet metal screws. It is suitable for most HVAC applications.

  • Made of galvanized steel
  • Creates a right-angle transition from 6 in. round pipe or insulated flexible duct to a 10 in. x 4 in. air register
  • Install with sheet metal screws (not included)
  • Always seal seams with code-approved mastic, sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
Units: Each
Qty:

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Master Flow 10 in. x 4 in. to 4 in. Universal Register Box
Master Flow 10 in. x 4 in. to 4 in. Universal Register Box
Item # 3570384

The Master Flow 10 in. x 4 in. x 4 in. Universal Register Box creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register. It features 30-Gauge, galvanized steel construction. It has a maximum temperature rating of 390°F.

  • Made of 30-Gauge, galvanized steel
  • Creates a straight (in-line) transition from 4 in. round pipe or insulated flexible duct to a 10 in. x 4 in. air register
  • Always seal seams with building code-approved sealant or duct tape (not included)
  • Maximum temperature rating of 390°F, minimum temperature rating of 100°F
Units: Each
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Master Flow 10 in. x 6 in. to 6 in. Universal Register Box
Master Flow 10 in. x 6 in. to 6 in. Universal Register Box
Item # 3570387

This Master Flow 10 in. x 6 in. to 6 in. Diameter Universal Register Box creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. It can be installed with sheet metal screws. It is suitable for most HVAC applications. This universal register box is made of galvanized steel.

  • Galvanized steel construction
  • Creates a straight, in-line transition from round pipe or insulated flexible duct to an air register or grille
  • Installs with sheet-metal screws
  • Insulate ductwork for system efficiency and comfort
  • Seal seams with code-approved mastic, sealant or duct tape (not included)
Units: Each
Qty:

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Master Flow 10 in. x 6 in. to 6 in. 90 Deg. Register Box
Master Flow 10 in. x 6 in. to 6 in. 90 Deg. Register Box
Item # 3570391

The Master Flow 10 in. x 6 in. x 6 in. 90° Register Box is made of galvanized steel. It creates a right-angle transition from round pipe or insulated flexible duct to an air register or grille. This register box can be installed using sheet metal screws. It is suitable for most HVAC applications.

  • Made of galvanized steel
  • Creates a right-angle transition from 6 in. round pipe or insulated flexible duct to a 10 in. x 6 in. air register or grille
  • Can be installed with sheet metal screws (not included)
  • Always seal seams with code-approved mastic, sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
Units: Each
Qty:

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Master Flow 10 in. x 10 in. to 8 in. Ceiling Register Box
Master Flow 10 in. x 10 in. to 8 in. Ceiling Register Box
Item # 3570404

The Master Flow 10 in. x 10 in. x 8 in. Ceiling Register Box is made of 30-Gauge, zinc-coated, galvanized steel. It is designed for a transition from round pipe or insulated flexible duct to an air register or grille. It can be installed with sheet metal screws (not included).

  • 30-Gauge, zinc-coated, galvanized steel
  • Designed for a transition from round pipe or insulated flexible duct to an air register or grille
  • Can be installed with sheet metal screws (not included)
  • Maximum temperature rating of 390°F
  • Minimum temperature rating of -100°F
Units: Each
Qty:

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Master Flow 12 in. x 6 in. to 6 in. Universal Register Box with Flange
Master Flow 12 in. x 6 in. to 6 in. Universal Register Box with Flange
Item # 3570398

The Master Flow 12 in. x 6 in. x 6 in. Universal Register Box with Flange is made of 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 helps to create a more secure installation by providing an area for register screws, Sheetrock frame or nails for joists. The flange creates the ability to install the box before dry walling.

  • 30-Gauge, galvanized steel
  • Creates a straight (in-line) transition from 6 in. round pipe or insulated flexible duct to a 12 in. x 6 in. air register or grille
  • Built-in flange helps to create a more secure installation by providing an area for register screws, sheetrock frame or nails for joists
  • Flange creates the ability to install the box before dry walling
  • Maximum temperature rating of 390°F, minimum temperature rating of 100°F
Units: Each
Qty:

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Master Flow 12 in. x 6 in. to 7 in. Insulated Register Box
Master Flow 12 in. x 6 in. to 7 in. Insulated Register Box
Item # 3570412

The Master Flow 12 in. x 6 in. x 7 in. Insulated Register Box is designed for durability. This register box is made of zinc-coated, 30-Gauge galvanized steel. The 1 in. fiberglass insulation helps reduce HVAC system noise and absorb condensation for a quiet and efficient system. This register box can be installed with sheet metal screws.

  • Made of zinc-coated, 30-Gauge galvanized steel
  • Pre-insulated no need to wrap
  • 1 in. fiberglass insulation lining and vapor barrier helps absorb HVAC system noise and control condensation
  • R4 insulating value
  • Always seal seams with code approved mastic, sealant or duct tape
  • Install with sheet metal screws
Units: Each
Qty:

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Master Flow 12 in. x 6 in. to 8 in. Insulated Register Box
Master Flow 12 in. x 6 in. to 8 in. Insulated Register Box
Item # 3570413

The Master Flow 12 in. x 6 in. x 8 in. Insulated Register Box is designed for durability. This register box is made of zinc-coated, 30-Gauge galvanized steel. The 1 in. fiberglass insulation helps reduce HVAC system noise and absorb condensation for a quiet and efficient system. This register box can be installed with sheet metal screws.

  • Made of zinc-coated, 30-Gauge galvanized steel
  • Pre-insulated no need to wrap
  • 1 in. fiberglass insulation lining and vapor barrier helps absorb HVAC system noise and control condensation
  • R4 insulating value
  • Always seal seams with code approved mastic, sealant or duct tape
  • Install with sheet metal screws
Units: Each
Qty:

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Master Flow 10 in. x 4 in. to 5 in. End Register Box
Master Flow 10 in. x 4 in. to 5 in. End Register Box
Item # 3570392

The Master Flow 10 in. x 4 in. x 5 in. End Register Box can be installed with sheet-metal screws. This end register box is made of 30-Gauge, galvanized steel to offer strength and durability. It is designed for use an HVAC system. It has a maximum temperature rating of 390°F and a minimum temperature rating of 100°F.

  • Made of 30-Gauge, galvanized steel for strength and durability
  • End register box for an HVAC application
  • Can be installed with sheet-metal screws (not included)
  • Always seal seams with code-approved mastic, sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
  • Maximum temperature rating of 390°F, minimum temperature rating of 100°F
Units: Each
Qty:

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Master Flow 10 in. x 6 in. to 6 in. Insulated Register Box
Master Flow 10 in. x 6 in. to 6 in. Insulated Register Box
Item # 3570410

The Master Flow 10 in. x 6 in. x 6 in. Insulated Register Box is designed for durability. This register box is made of zinc-coated, 30-Gauge galvanized steel. The 1 in. fiberglass insulation helps reduce HVAC system noise and absorb condensation for a quiet and efficient system. This register box can be installed with sheet metal screws.

  • Made of zinc-coated, 30-Gauge galvanized steel
  • Pre-insulated no need to wrap
  • 1 in. fiberglass insulation lining and vapor barrier helps absorb HVAC system noise and control condensation
  • R4 insulating value
  • Always seal seams with code approved mastic, sealant or duct tape
  • Install with sheet metal screws
Units: Each
Qty:

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Master Flow 14 in. x 6 in. to 8 in. Universal Register Box with Flange
Master Flow 14 in. x 6 in. to 8 in. Universal Register Box with Flange
Item # 3570401

This Master Flow 14 in. x 6 in. to 8 in. Universal Register Box with Flange is ideal for creating an in-line transition from round pipe to an air register. It has a built-in flange for your convenience. Creates a straight, in-line transition from an insulated flexible duct or round pipe to an air register or grille.

  • Galvanized steel construction
  • Creates a straight, in-line transition from an insulated flexible duct or round pipe to an air register or grille
  • Built-in flange provides space for easy joist attachment for a more secure installation
  • Flange allows you to install the register box before putting up drywall
  • Seal seams with code-approved sealant or duct tape (not included)
Units: Each
Qty:

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Master Flow 12 in. x 6 in. to 6 in. Insulated Register Box
Master Flow 12 in. x 6 in. to 6 in. Insulated Register Box
Item # 3570411

The Master Flow 12 in. x 6 in. x 6 in. Insulated Register Box is designed for durability. This register box is made of zinc-coated, 30-Gauge galvanized steel. The 1 in. fiberglass insulation helps reduce HVAC system noise and absorb condensation for a quiet and efficient system. This register box can be installed with sheet metal screws.

  • Made of zinc-coated, 30-Gauge galvanized steel
  • Pre-insulated no need to wrap
  • 1 in. fiberglass insulation lining and vapor barrier helps absorb HVAC system noise and control condensation
  • R4 insulating value
  • Always seal seams with code approved mastic, sealant or duct tape
  • Install with sheet metal screws
Units: Each
Qty:

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Master Flow 12 in. x 6 in. to 7 in. Register Box with Flange
Master Flow 12 in. x 6 in. to 7 in. Register Box with Flange
Item # 3570399

The Master Flow 12 in. x 6 in. x 7 in. Register Box with Flange is designed for 7 in. round ducts. This 30-Gauge register box with flange is made of zinc-coated galvanized steel. The maximum temperature rating is up to 390°F and the minimum temperature rating is as low as 100°F.

  • Made of zinc-coated galvanized steel
  • Designed for 7 in. ducts
  • 30-Gauge
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Units: Each
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Master Flow 10 in. x 4 in. Register Box Saddle
Master Flow 10 in. x 4 in. Register Box Saddle
Item # 3570414

This Master Flow 10 in. x 4 in. Register Box Saddle allows you to cut an opening of the appropriate size into the branch line and secures the saddle over the hole. Installs with sheet metal screws (not included). Seal and insulate ductwork for system efficiency and comfort.

  • Creates a horizontal transition from round pipe to an air register or grille
  • Install with sheet metal screws
  • Designed to fit over a section of round pipe while securing the saddle over the hole
  • Easily cuts down if necessary
  • Seal seams with code-approved mastic, sealant or duct tape (not included)
Units: Each
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Master Flow 8 in. x 4 in. to 5 in. Register Box with Flange
Master Flow 8 in. x 4 in. to 5 in. Register Box with Flange
Item # 3570394

The Master Flow 8 in. x 4 in. x 5 in. Register Box with Flange is designed for 5 in. round ducts. This 30-Gauge register box with flange is made of zinc-coated galvanized steel. The maximum temperature rating is up to 390°F and the minimum temperature rating is as low as 100°F.

  • Made of zinc-coated galvanized steel
  • Designed for 5 in. ducts
  • 30-Gauge
  • Features a minimum temperature rating of 100°F and a maximum temperature rating of 390°F
Units: Each
Qty:

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Master Flow 12 in. x 12 in. to 8 in. Ceiling Register Box
Master Flow 12 in. x 12 in. to 8 in. Ceiling Register Box
Item # 3570405

The Master Flow 12 in. x 12 in. x 8 in. Ceiling Register Box is made of 30-Gauge, galvanized steel. It creates a transition from round pipe or insulated flexible duct to an air register or grille. The ceiling register box can be installed with sheet metal screws. It has a maximum temperature rating of 390°F.

  • Made of 30-Gauge, galvanized steel
  • Creates a transition from 8 in. round pipe or insulated flexible duct to a 12 in. x 12 in. air register or grille
  • Can be installed with sheet metal screws (not included)
  • Always seal seams with code-approved mastic, sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
  • Maximum temperature rating of 390°F, minimum temperature rating of 100°F
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 10 in. x 4 in. to 5 in. Universal Register Box
Master Flow 10 in. x 4 in. to 5 in. Universal Register Box
Item # 3570385

The Master Flow 10 in. x 4 in. x 5 in. Universal Register Box is made of galvanized steel. It creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. The universal register box can be installed with sheet metal screws. It is suitable for most HVAC applications.

  • Galvanized steel construction
  • Creates a straight (in-line) transition from 5 in. round pipe or insulated flexible duct to a 10 in. x 4 in. air register or grille
  • Install with sheet metal screws (not included)
  • Always seal seams with building code-approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
Units: Each
Qty:

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