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)

Dundas Jafine's 4 in. aluminum tension clamps are ideal for use with flexible or semi-rigid ducts. These clamps open and close with pressure. No tool required.

• Ideal for use with flexible or semi-rigid ducts
• Aluminum construction
• No tools necessary
• Easy operation

This Dryer Vent Duct is ideal for both gas and electric dryer applications. This duct is UL2158A listed and marked for safe dryer venting. It is constructed of heavy duty, fire resistant, aluminum foil laminate.

• Duct will not support combustion
• Constructed with a high density, corrosion resistant, wire helix
• Duct is air tight
• Note: per UL2158A only ducts 8 ft. or less can bear the UL label
• Note: per UL2158A only ducts 8 or less can be UL marked

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

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.

• 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

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)

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.

• 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

The Wide Mouth Dryer Vent Kit includes a 4 in. wide mouth exhaust hood, 4 in. x 8 ft. dryer transition duct and 2 plastic adjustable clamps. The exhaust hood features a robust, wide mouth cap for optimum airflow and snug fit back draft damper that prevents cold air, snow or rain from entering the home. Additional features of the hood include a removable pest screen that helps to keep pests out and allows for easy cleaning of the duct.

• Dryer transition duct in this kit is UL 2158A listed and marked for safe dryer venting
• "Snap on" pipe to cap assembly eliminates the need for lint trapping staples
• UV resistant coating on the cap helps to prevent the cap from discoloring
• Cap is paintable to match the exterior of your home
• Cap has a UV resistant coating to prevent the cap from discoloring and is paintable to match the exterior of your home
• Hoods can be used in conjunction with brick, concrete or siding

This 4 in. x 25 ft. Dryer Vent Duct is ideal for both gas and electric dryer application. It is constructed of heavy-duty, fire resistant, 4-ply aluminum foil laminate that encapsulates a high density, corrosion resistant wire helix. This forms an air tight and easy to use air duct.

• Constructed of heavy-duty, fire resistant, aluminum foil laminate
• Constructed with a corrosion resistant, wire helix
• Duct is airtight
• Will not support combustion
• Note: per UL2158A only ducts 8 feet or less can be UL marked

Master Flow standard 90 degree Adjustable 6 in. Elbow is used to make turns in runs of round pipe and flexible duct through 90 degree . 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 degree position.

• Used to make angular or gradual turns in runs of pipe
• Adjustable to any angle through 90 degree
• 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)

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.

• 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
• Insulate ductwork to promote system efficiency

Master Flow 4 in. Aluminum Elbow makes venting a boiler, furnace or hot water heater a snap, installing on an angle up to 90 via a crimped-end design that makes it easy to affix. The elbow fits roundest aluminum pipes with 4 in. Dia Ideal for use in high-heat applications. Ships in 90 position.

• Durable aluminum construction
• Designed to fit round piping so that you can vent boilers, furnaces and hot water heaters on an angle
• Light-weight, crimped-end design installs easily and provides a secure fit
• Seam seal using building code approved sealant or duct tape for a quick and easy finishing touch
• Fits most round aluminum pipes with 4 in. Dia
• Adjustable design allows use at angles up to 90
• For reliability in high-heat applications

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

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

Double Wall Construction

• Non-Positional Locking System Makes Installation A Snap
• No Tools Required For Disassembly

The 3 in. x 8 ft. Semi-Rigid Aluminum Duct is ideal for bathroom fan venting. This duct is totally noncombustible. It has a maximum operating temperature of 435 degree F.

• Maximum durability for robust installation
• All aluminum products are fire resistant
• Semi-rigid product holds its shape to help improve airflow
• 3 in. Dia and stretches to 8 ft. L

The Master Flow 8 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R6 insulation which contains 33% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. The duct is ETL listed, meeting the UL181 standard.

• Flexible duct is convenient for use in multiple applications including heating and A/C systems and some venting
• Oversized core to connect quickly and easily to standard sheet metal fitting
• Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
• Duct can be cut to length as needed
• Insulated duct features a maximum temperature rating of 200 degree F
• Always install per instructions and seal using approved mastic or sealant (or approved tape)

The Duct to Duct Increaser connects 3 in. to 4 in. ducts together. It is ideal for bathroom fan exhaust applications. Finished in black color. The increaser is designed to be a tight fit to reduce air leaks in the connections. When using the increaser with a 3 in or 4 in snap pipe (aluminum or galvanized) , it may be necessary to unsnap the receiving end of the pipe, then insert the increaser and snap the pipe back together.

• Made of polypropylene
• Used when your exhaust port or exhaust hood needs to be increased from 3 in. to accommodate a 4 in. duct
• Consult your local building codes for approved installation practices
• Light weight design

The 4 in. x 8 ft. Heavy-duty Semi-Rigid Aluminum Duct is UL2158A listed and marked for safe dryer venting. It is ideal when UL all aluminum duct is required by code in some gas and electric dryer applications. This duct is totally noncombustible and has a maximum operating temperature of 435 degree F.

• New manufacturing technology incorporated into the duct allows for easy rotation and therefore more durable handling of the duct by the contractor
• Semi-rigid product holds its shape to help improve airflow
• UL duct is thicker than the standard non-UL semi-rigid version
• All aluminum products are fire resistant

These Worm Clamps are ideal for attaching aluminum ducts to other aluminum products, including elbows and pipe. Easily adjustable with the turn of a screwdriver, these clamps can be used with all venting applications. A heavy-duty galvanized steel construction ensures longevity through a variety of uses. For optimal performance, it is recommended to use a manual screwdriver to avoid over tightening and stripping the screw.

• Made of heavy duty galvanized steel
• Easily adjustable using a hex or flat head screwdriver
• Adjusts from 5-1/8 in. to 6-1/2 in.
• Can be used in all venting applications

The 4 in. Dryer Duct to Wall Connector provides a secure and stable connection of the dryer to the wall. It simplifies dryer maintenance and overall safety by providing a simple, easy and quick access point to the dryer duct for cleaning of lint and debris on a regular basis. The innovative threading system on this product allows for easy attachment to the duct.

• Quick connect product is easy to install
• Product connects to all types of 4 in. flexible and semi-rigid ducts
• No clamps required for the installation of this connector
• Snaps together for easy connect/disconnect

The Master Flow 6 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R6 insulation which contains 33% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. The duct is ETL listed, meeting the UL181 standard.

• Flexible duct is convenient for use in multiple applications including heating and A/C systems and some venting
• Oversized core to connect quickly and easily to standard sheet metal fitting
• Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
• Duct can be cut to length as needed
• Insulated duct features a maximum temperature rating of 200 degree F
• Always install per instructions and seal using approved mastic or sealant (or approved tape)

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.

• 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)

The Master Flow 6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R8 insulation which contains 50% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. The duct is ETL listed, meeting the UL181 standard.

• Flexible duct is convenient for use in multiple applications including heating and A/C systems and some venting
• Oversized core to connect quickly and easily to standard sheet metal fitting
• Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
• Duct can be cut to length as needed
• Insulated duct features a maximum temperature rating of 200F
• Always install per instructions and seal using approved mastic or sealant (or approved tape)