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Product Type

Adjustable Elbow (2)
Air Vent (4)
Boot (2)
Cap (3)
Collar (38)
Damper (6)
Drive Cleat (1)
Duct Cap (3)
Duct Wrap (2)
Elbow (10)

Price Range

$1 to $5 (2)
$5 to $10 (41)
$10 to $15 (40)
$15 to $20 (45)
$20 to $25 (15)
$25 to $30 (20)
$30 to $35 (5)
$35 to $40 (7)
$40 to $45 (1)
$45 to $50 (3)

GAF Master Flow

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Product Image of 6" Adjustable Elbow - 26 Gauge (90-Degree)
$9.25 each
In Stock
Get 137 by Tomorrow, Jun 5
In Stock
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Product Image of 6" Master Flow Ductboard Starting Collar Take-Off
$8.23 each
In Stock
Get 65 by Tomorrow, Jun 5
In Stock
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Product Image of 6" Air-Tite Take-Off
$12.31 each
In Stock
Get 66 by Tomorrow, Jun 5
In Stock
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Product Image of 4" Adjustable Elbow - 26 Gauge (90-Degree)
$7.34 each
In Stock
Get 75 by Tomorrow, Jun 5
In Stock
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Product Image of 8" Air-Tite Take-Off
$12.90 each
In Stock
Get 93 by Tomorrow, Jun 5
In Stock
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Product Image of 8" Master Flow Ductboard Starting Collar Take-Off
$9.45 each
In Stock
Get 78 by Tomorrow, Jun 5
In Stock
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Product Image of 8" x 6" Master Flow 30 GA Round Reducer
$12.75 each
In Stock
Get 17 by Tomorrow, Jun 5
In Stock
Get 17 by Tomorrow, Jun 5
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Product Image of 60" S-Cleat
60" S-Cleat
SKU: CS60
GAF Master Flow
SKU: CS60
$8.54 each
In Stock
Get 10 by Tomorrow, Jun 5
In Stock
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Product Image of 8" Adjustable Elbow - 30 Gauge (90-Degree)
$6.87 each
In Stock
Get 40 by Tomorrow, Jun 5
In Stock
Get 40 by Tomorrow, Jun 5
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Product Image of 6" x 4" Master Flow 30 GA Round Reducer
$11.15 each
In Stock
Get 20 by Tomorrow, Jun 5
In Stock
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Product Image of 10" Air-Tite Take-Off
$18.52 each
In Stock
Get 98 by Tue, Jun 9
In Stock
Get 98 by Tue, Jun 9
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Product Image of 10" x 8" Master Flow 30 GA Round Reducer
$16.98 each
In Stock
Get 21 by Tomorrow, Jun 5
In Stock
Get 21 by Tomorrow, Jun 5
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Product Image of 4" x 4" x 4" Wye
4" x 4" x 4" Wye
SKU: Y4X4X4
GAF Master Flow
SKU: Y4X4X4
$18.05 each
In Stock
Get 32 by Tomorrow, Jun 5
In Stock
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Product Image of 6" x 6" x 6" Wye
6" x 6" x 6" Wye
SKU: Y6X6X6
GAF Master Flow
SKU: Y6X6X6
$19.45 each
In Stock
Get 12 by Tomorrow, Jun 5
In Stock
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Product Image of Master Flow Gable Mount Power Attic Vent Fan (1450 CFM)
$84.39 each
In Stock
Get 3 by Tomorrow, Jun 5
In Stock
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Product Image of 60" Drive Cleat
$11.28 each
In Stock
Get 16 by Tue, Jun 9
In Stock
Get 16 by Tue, Jun 9
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Product Image of 8" Adjustable Elbow - 26 Gauge (90-Degree)
$9.71 each
In Stock
Get 18 by Tomorrow, Jun 5
In Stock
Get 18 by Tomorrow, Jun 5
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Product Image of 8" to 6" x 6" Wye
8" to 6" x 6" Wye
SKU: Y8X6X6
GAF Master Flow
SKU: Y8X6X6
$19.60 each
In Stock
Get 13 by Tomorrow, Jun 5
In Stock
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Product Image of 6" x 2' Round Metal Duct Pipe - 26 Gauge
$10.98 each
In Stock
Get 46 by Tomorrow, Jun 5
In Stock
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Product Image of 10" Master Flow Ductboard Starting Collar Take-Off
$12.76 each
In Stock
Get 26 by Tomorrow, Jun 5
In Stock
Get 26 by Tomorrow, Jun 5
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Product Image of 6" x 5' Round Metal Duct Pipe
$18.65 each
In Stock
Get 9 by Tomorrow, Jun 5
In Stock
Get 9 by Tomorrow, Jun 5
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Product Image of 6" Master Flow Starting Collar
$6.61 each
In Stock
Get 24 by Tomorrow, Jun 5
In Stock
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Product Image of 8" x 5' Round Metal Duct Pipe
$21.44 each
In Stock
Get 10 by Tomorrow, Jun 5
In Stock
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Product Image of 6" Damper
6" Damper
SKU: D-6
$8.52 each
In Stock
Get 52 by Tomorrow, Jun 5
In Stock
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Product Image of Master Flow Replacement Adjustable Thermostat for Single-Speed Power Attic Vents
$35.45 each
In Stock
Get 13 by Tomorrow, Jun 5
In Stock
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Product Image of 6" Round Duct Cap
$9.01 each
In Stock
Get 70 by Tomorrow, Jun 5
In Stock
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Product Image of 4" x 2' Round Metal Duct Pipe - 26 Gauge
$10.24 each
In Stock
Get 29 by Tomorrow, Jun 5
In Stock
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Product Image of 12" Air-Tite Take-Off
12" Air-Tite Take-Off
SKU: ATTO12
GAF Master Flow
SKU: ATTO12
(1)
$21.46 each
In Stock
Get 21 by Tomorrow, Jun 5
In Stock
Get 21 by Tomorrow, Jun 5
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Product Image of 8" Flexible Duct and Sheet Metal Connector Splice Collar
$16.59 each
In Stock
Get 27 by Tomorrow, Jun 5
In Stock
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Product Image of 14" Master Flow Ductboard Starting Collar Take-Off
$14.69 each
In Stock
Get 17 by Tomorrow, Jun 5
In Stock
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Product Image of 12" Master Flow Ductboard Starting Collar Take-Off
$13.74 each
In Stock
Get 21 by Tomorrow, Jun 5
In Stock
Get 21 by Tomorrow, Jun 5
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Product Image of 6" Flexible Duct and Sheet Metal Connector Splice Collar
$8.53 each
In Stock
Get 2 by Tomorrow, Jun 5
In Stock
Get 2 by Tomorrow, Jun 5
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Product Image of Master Flow Replacement Power Attic Vent Motor, 1/12 HP, 165W
$63.83 each
In Stock
Get 21 by Tomorrow, Jun 5
In Stock
Get 21 by Tomorrow, Jun 5
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Product Image of 8" Damper
8" Damper
SKU: D-8
$8.94 each
In Stock
Get 45 by Tomorrow, Jun 5
In Stock
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Product Image of 7" x 6" Master Flow 30 GA Round Reducer
$14.13 each
In Stock
Get 22 by Tomorrow, Jun 5
In Stock
Get 22 by Tomorrow, Jun 5
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Product Image of 10" Flexible Duct and Sheet Metal Connector Splice Collar
$19.68 each
In Stock
Get 39 by Tomorrow, Jun 5
In Stock
Get 39 by Tomorrow, Jun 5
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Product Image of 4" Master Flow Ductboard Starting Collar Take-Off
$5.91 each
In Stock
Get 39 by Tomorrow, Jun 5
In Stock
Get 39 by Tomorrow, Jun 5
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Product Image of 7" Master Flow Ductboard Starting Collar Take-Off
$8.13 each
In Stock
Get 60 by Tomorrow, Jun 5
In Stock
Get 60 by Tomorrow, Jun 5
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Product Image of 6" x 5" Master Flow 30 GA Round Reducer
$13.11 each
In Stock
Get 54 by Tomorrow, Jun 5
In Stock
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Product Image of 5" x 4" Master Flow 30 GA Round Reducer
$12.51 each
In Stock
Get 6 by Tomorrow, Jun 5
In Stock
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Product Image of 7" Adjustable Elbow - 30 Gauge (90-Degree)
$5.89 each
In Stock
Get 23 by Tomorrow, Jun 5
In Stock
Get 23 by Tomorrow, Jun 5
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Product Image of 8" x 8" to 6" Universal Register Box
$10.36 each
In Stock
Get 19 by Tomorrow, Jun 5
In Stock
Get 19 by Tomorrow, Jun 5
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Product Image of Master Flow Roof Mount Power Attic Vent w/Combo H-Stat/T-Stat - Black (1500 CFM)
$177.21 each
In Stock
Get 14 by Tomorrow, Jun 5
In Stock
Get 14 by Tomorrow, Jun 5
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Product Image of 10" x 10" to 8" Universal Register Box
$17.00 each
In Stock
Get 15 by Tomorrow, Jun 5
In Stock
Get 15 by Tomorrow, Jun 5
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Product Image of 8" Round Duct Cap
$11.60 each
In Stock
Get 16 by Tomorrow, Jun 5
In Stock
Get 16 by Tomorrow, Jun 5
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Product Image of 3" Adjustable Elbow - 26 Gauge (90-Degree)
$7.02 each
In Stock
Get 51 by Tomorrow, Jun 5
In Stock
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Product Image of 10" x 4" x 6" Master Flow End Register Box
$14.98 each
In Stock
Get 1 by Tomorrow, Jun 5
In Stock
Get 1 by Tomorrow, Jun 5
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Product Image of 8" x 8" x 8" Wye
8" x 8" x 8" Wye
SKU: Y8X8X8
GAF Master Flow
SKU: Y8X8X8
$26.67 each
In Stock
Get 40 by Tomorrow, Jun 5
In Stock
Get 40 by Tomorrow, Jun 5
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More About GAF Master Flow
More homes and businesses in the U.S. are protected by a GAF roof than by any other product. GAF is the leading roofing manufacturer in North America, with plants strategically located across the U.S. As a Standard Industries company, GAF is part of the largest roofing and waterproofing business in the world.

Diverse, equitable, and inclusive teams are at the heart of leadership at GAF, North America's largest roofing manufacturer. GAF is committed to fostering a culture that reflects their values to connect, empower, evolve, and inspire where they embrace.