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LL Building Products

LL Building Products
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sku: 3576821

Master Flow 36 in. x 36 in. Drain Pan with PVC Connector - 26 Gauge

Drain pans collect condensation to prevent leakage in walls and ceilings due to moisture run-off from primary AC pans. Galvanized steel construction with attached PVC fitting. Locate under HVAC unit...

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LL Building Products
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sku: 3570361

Master Flow 4 in. Dia. Starting Collar

The Master Flow 4 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...

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LL Building Products
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sku: 3582270

Master Flow 48 in. x 120 in. Duct Board - R-6

The Master Flow 48 in. x 120 in. Duct Board - R-6 features fiberglass construction with an FSK backing for sturdiness over time. Cut this duct board to size and use it to build your own HVAC fittings...

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LL Building Products
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sku: 3570305

Master Flow 5 in. x 5 ft. Beaded Metal Duct Pipe

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...

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LL Building Products
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sku: 3576822

Master Flow 60 in. x 30 in. Drain Pan with PVC Connector - 26 Gauge

Drain pans collect condensation to prevent leakage in walls and ceilings due to moisture run-off from primary AC pans. Galvanized steel construction with attached PVC fitting. Locate under HVAC unit...

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LL Building Products
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sku: 3589086

Master Flow 7 in. 90-Degree Turned 26-Gauge Adjustable Elbow

Master Flow's 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...

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LL Building Products
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sku: 3576833

Master Flow 8 in. Damper

Master Flow Dampers balance and adjust the air flow in individual runs of round pipe in HVAC systems. The dampers include hardware that makes it easy to install into existing round pipe as well. They...

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LL Building Products
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sku: 3570302

Master Flow 8 in. Dia x 24 in. L 26-Gauge Round Metal Duct Pipe

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...

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LL Building Products
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sku: 3577146

Master Flow 9 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket

The Master Flow 9 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...

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LL Building Products
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sku: 3570364

Master Flow 5 in. Starting Collar

The Master Flow 5 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...

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LL Building Products
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sku: 3570381

Master Flow 10 in. Starting Collar Take Off

The Master Flow 10 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...

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LL Building Products
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sku: 3570383

Master Flow 14 in. Starting Collar Take Off

The Master Flow 14 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...

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