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.

• 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)

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.

• 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)

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.

• 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)

The Master Flow 10 in. x 4 in. x 6 in. 90 degree 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.

• 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)

The Master Flow 10 in. x 6 in. x 6 in. 90 degree 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.

• 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)

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 degree F.

• 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 degree F, minimum temperature rating of 100 degree F

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).

• 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 degree F
• Minimum temperature rating of -100 degree F

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.

• 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)