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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 122 by Mon, Jun 22
In Stock
Get 122 by Mon, Jun 22
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Product Image of 6" Master Flow Ductboard Starting Collar Take-Off
$8.23 each
In Stock
Get 61 by Mon, Jun 22
In Stock
Get 61 by Mon, Jun 22
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Product Image of 8" Air-Tite Take-Off
$12.90 each
In Stock
Get 75 by Mon, Jun 22
In Stock
Get 75 by Mon, Jun 22
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Product Image of 6" Air-Tite Take-Off
$12.31 each
In Stock
Get 64 by Mon, Jun 22
In Stock
Get 64 by Mon, Jun 22
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Product Image of 4" Adjustable Elbow - 26 Gauge (90-Degree)
$7.34 each
In Stock
Get 56 by Mon, Jun 22
In Stock
Get 56 by Mon, Jun 22
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Product Image of 8" Master Flow Ductboard Starting Collar Take-Off
$9.45 each
In Stock
Get 74 by Mon, Jun 22
In Stock
Get 74 by Mon, Jun 22
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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 233 by Thu, Jun 25
In Stock
Get 233 by Thu, Jun 25
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Product Image of 8" x 6" Master Flow 30 GA Round Reducer
$12.75 each
In Stock
Get 13 by Mon, Jun 22
In Stock
Get 13 by Mon, Jun 22
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Product Image of 8" Adjustable Elbow - 30 Gauge (90-Degree)
$6.87 each
In Stock
Get 13 by Tue, Jun 23
In Stock
Get 13 by Tue, Jun 23
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Product Image of 10" Air-Tite Take-Off
$18.52 each
In Stock
Get 2 by Mon, Jun 22
In Stock
Get 2 by Mon, Jun 22
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Product Image of 6" x 4" Master Flow 30 GA Round Reducer
$11.15 each
In Stock
Get 8 by Mon, Jun 22
In Stock
Get 8 by Mon, Jun 22
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Product Image of Master Flow Gable Mount Power Attic Vent Fan (1450 CFM)
$84.39 each
In Stock
Get 39 by Tue, Jun 23
In Stock
Get 39 by Tue, Jun 23
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Product Image of 10" x 8" Master Flow 30 GA Round Reducer
$16.98 each
In Stock
Get 17 by Mon, Jun 22
In Stock
Get 17 by Mon, Jun 22
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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 9 by Mon, Jun 22
In Stock
Get 9 by Mon, Jun 22
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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 30 by Mon, Jun 22
In Stock
Get 30 by Mon, Jun 22
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Product Image of Master Flow Replacement Adjustable Thermostat for Single-Speed Power Attic Vents
$35.45 each
In Stock
Get 18 by Mon, Jun 22
In Stock
Get 18 by Mon, Jun 22
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Product Image of 6" x 5' Round Metal Duct Pipe
$18.65 each
In Stock
Get 32 by Thu, Jun 25
In Stock
Get 32 by Thu, Jun 25
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Product Image of 10" Master Flow Ductboard Starting Collar Take-Off
$12.76 each
In Stock
Get 18 by Mon, Jun 22
In Stock
Get 18 by Mon, Jun 22
Compare
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 16 by Tue, Jun 23
In Stock
Get 16 by Tue, Jun 23
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Product Image of 60" Drive Cleat
$11.28 each
In Stock
Get 29 by Tue, Jun 23
In Stock
Get 29 by Tue, Jun 23
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Product Image of 8" Adjustable Elbow - 26 Gauge (90-Degree)
$9.71 each
In Stock
Get 8 by Mon, Jun 22
In Stock
Get 8 by Mon, Jun 22
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Product Image of 6" x 2' Round Metal Duct Pipe - 26 Gauge
$10.98 each
In Stock
Get 43 by Mon, Jun 22
In Stock
Get 43 by Mon, Jun 22
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Product Image of 6" Damper
6" Damper
SKU: D-6
$8.52 each
In Stock
Get 37 by Mon, Jun 22
In Stock
Get 37 by Mon, Jun 22
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Product Image of 8" x 5' Round Metal Duct Pipe
$21.44 each
Out of Stock
Get it by Mon, Jul 6 - Mon, Jul 13
Out of Stock
Get it by Mon, Jul 6 - Mon, Jul 13
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Product Image of 6" Master Flow Starting Collar
$6.61 each
In Stock
Get 30 by Mon, Jun 22
In Stock
Get 30 by Mon, Jun 22
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Product Image of 8" Flexible Duct and Sheet Metal Connector Splice Collar
$16.59 each
In Stock
Get 22 by Mon, Jun 22
In Stock
Get 22 by Mon, Jun 22
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Product Image of Master Flow Replacement Power Attic Vent Motor, 1/12 HP, 165W
$64.48 each
In Stock
Get 17 by Mon, Jun 22
In Stock
Get 17 by Mon, Jun 22
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Product Image of 14" Master Flow Ductboard Starting Collar Take-Off
$14.69 each
In Stock
Get 22 by Mon, Jun 22
In Stock
Get 22 by Mon, Jun 22
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Product Image of 6" Round Duct Cap
$9.01 each
In Stock
Get 73 by Mon, Jun 22
In Stock
Get 73 by Mon, Jun 22
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Product Image of 4" x 2' Round Metal Duct Pipe - 26 Gauge
$10.24 each
In Stock
Get 31 by Mon, Jun 22
In Stock
Get 31 by Mon, Jun 22
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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 6 by Mon, Jun 22
In Stock
Get 6 by Mon, Jun 22
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Product Image of 12" Master Flow Ductboard Starting Collar Take-Off
$13.74 each
In Stock
Get 9 by Mon, Jun 22
In Stock
Get 9 by Mon, Jun 22
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Product Image of 7" x 6" Master Flow 30 GA Round Reducer
$14.13 each
In Stock
Get 22 by Mon, Jun 22
In Stock
Get 22 by Mon, Jun 22
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Product Image of 6" Flexible Duct and Sheet Metal Connector Splice Collar
$8.53 each
In Stock
Get 2 by Mon, Jun 22
In Stock
Get 2 by Mon, Jun 22
Compare
Product Image of 8" Damper
8" Damper
SKU: D-8
$8.94 each
In Stock
Get 45 by Mon, Jun 22
In Stock
Get 45 by Mon, Jun 22
Compare
Product Image of 10" Flexible Duct and Sheet Metal Connector Splice Collar
$19.68 each
In Stock
Get 37 by Mon, Jun 22
In Stock
Get 37 by Mon, Jun 22
Compare
Product Image of 7" Master Flow Ductboard Starting Collar Take-Off
$8.13 each
In Stock
Get 55 by Mon, Jun 22
In Stock
Get 55 by Mon, Jun 22
Compare
Product Image of 4" Master Flow Ductboard Starting Collar Take-Off
$5.91 each
In Stock
Get 21 by Mon, Jun 22
In Stock
Get 21 by Mon, Jun 22
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Product Image of 8" x 8" to 6" Universal Register Box
$10.36 each
In Stock
Get 19 by Mon, Jun 22
In Stock
Get 19 by Mon, Jun 22
Compare
Product Image of 5" x 4" Master Flow 30 GA Round Reducer
$12.51 each
In Stock
Get 6 by Mon, Jun 22
In Stock
Get 6 by Mon, Jun 22
Compare
Product Image of 10" x 10" to 8" Universal Register Box
$17.00 each
In Stock
Get 6 by Mon, Jun 22
In Stock
Get 6 by Mon, Jun 22
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Product Image of 7" Adjustable Elbow - 30 Gauge (90-Degree)
$5.89 each
In Stock
Get 19 by Mon, Jun 22
In Stock
Get 19 by Mon, Jun 22
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Product Image of Master Flow Roof Mount Power Attic Vent w/Combo H-Stat/T-Stat - Black (1500 CFM)
$179.00 each
In Stock
Get 11 by Mon, Jun 22
In Stock
Get 11 by Mon, Jun 22
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Product Image of 10" x 4" x 6" Master Flow End Register Box
$14.98 each
In Stock
Get 6 by Mon, Jun 22
In Stock
Get 6 by Mon, Jun 22
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Product Image of 6" x 5" Master Flow 30 GA Round Reducer
$13.11 each
In Stock
Get 52 by Mon, Jun 22
In Stock
Get 52 by Mon, Jun 22
Compare
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 36 by Mon, Jun 22
In Stock
Get 36 by Mon, Jun 22
Compare
Product Image of 3" Adjustable Elbow - 26 Gauge (90-Degree)
$7.02 each
In Stock
Get 35 by Mon, Jun 22
In Stock
Get 35 by Mon, Jun 22
Compare
Product Image of 8" Round Duct Cap
8" Round Duct Cap
SKU: 8DC
$11.60 each
In Stock
Get 13 by Mon, Jun 22
In Stock
Get 13 by Mon, Jun 22
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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.