Apply to be a TradeMaster!
Filter menu expanded

Filters

210 items
Reset

SORT

Product Availability

Show In Stock Only (194)

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

Help Face
Need a little help?
210 items
Grid
List
Compare
Product Image of 10" x 3-1/4" to 4" Stack Boot
10" x 3-1/4" to 4" Stack Boot
SKU: SB10X3.25X4
GAF Master Flow
SKU: SB10X3.25X4
$16.01 each
In Stock
Get 4 by Tomorrow, Jun 5
In Stock
Get 4 by Tomorrow, Jun 5
Compare
Product Image of Master Flow Replacement Power Attic Vent Motor, 1/9 HP, 200W
$77.99 each
In Stock
Get 3 by Tomorrow, Jun 5
In Stock
Get 3 by Tomorrow, Jun 5
Compare
Product Image of Master Flow Green Machine High-Power Hybrid Solar/House Power Roof Vent (750/900 CFM)
$473.49 each
In Stock
Get 6 by Tomorrow, Jun 5
In Stock
Get 6 by Tomorrow, Jun 5
Compare
Product Image of 20" Master Flow Replacement Automatic Gable Mount Fan Shutter
$61.44 each
In Stock
Get 5 by Tomorrow, Jun 5
In Stock
Get 5 by Tomorrow, Jun 5
Compare
Product Image of Master Flow 1/3 HP Replacement Whole House Fan Motor
$191.70 each
In Stock
Get 3 by Tomorrow, Jun 5
In Stock
Get 3 by Tomorrow, Jun 5
Compare
Product Image of 14" x 6" to 8" Register Box, RB14X6X8
$15.99 each
In Stock
Get 20 by Tomorrow, Jun 5
In Stock
Get 20 by Tomorrow, Jun 5
Compare
Product Image of 8" Air-Tite Take-Off w/ Damper, ATTOD8
$31.99 each
In Stock
Get 3 by Tomorrow, Jun 5
In Stock
Get 3 by Tomorrow, Jun 5
Compare
Product Image of 16" Master Flow Starting Collar, LSC16
$25.99 each
In Stock
Get 9 by Tomorrow, Jun 5
In Stock
Get 9 by Tomorrow, Jun 5
Compare
Product Image of 4" Master Flow Starting Collar
$5.76 each
In Stock
Get 28 by Tomorrow, Jun 5
In Stock
Get 28 by Tomorrow, Jun 5
Compare
Product Image of 10" x 6" Rectangular Stack Head
$15.94 each
In Stock
Get 15 by Tomorrow, Jun 5
In Stock
Get 15 by Tomorrow, Jun 5
Compare
Product Image of 7" x 5' Master Flow Beaded Metal Duct Pipe
$18.98 each
In Stock
Get 10 by Tomorrow, Jun 5
In Stock
Get 10 by Tomorrow, Jun 5
Compare
Product Image of 3" Adjustable Elbow - 30 Gauge (90-Degree)
$6.25 each
In Stock
Get 9 by Tomorrow, Jun 5
In Stock
Get 9 by Tomorrow, Jun 5
Compare
Product Image of 5" Round Duct Cap, DC5
$7.45 each
In Stock
Get 12 by Tomorrow, Jun 5
In Stock
Get 12 by Tomorrow, Jun 5
Compare
Product Image of 12" x 4" to 6" Register Box, RB12X4X6
$12.99 each
In Stock
Get 38 by Tomorrow, Jun 5
In Stock
Get 38 by Tomorrow, Jun 5
Compare
Product Image of 10" x 60" Round Metal Duct Pipe, CP10X60
$25.99 each
In Stock
Get 3 by Tomorrow, Jun 5
In Stock
Get 3 by Tomorrow, Jun 5
Compare
Product Image of 18" Master Flow Starting Collar, LSC18
$29.99 each
In Stock
Get 5 by Tomorrow, Jun 5
In Stock
Get 5 by Tomorrow, Jun 5
Compare
Product Image of 14" Flexible Duct Connector, FC14-GAF
$25.99 each
In Stock
Get 4 by Tomorrow, Jun 5
In Stock
Get 4 by Tomorrow, Jun 5
Compare
Product Image of 6" Air-Tite Take-Off w/ Damper, ATTOD6
$29.99 each
Out of Stock
Get it by Fri, Jun 19 - Fri, Jun 26
Out of Stock
Get it by Fri, Jun 19 - Fri, Jun 26
Compare
Product Image of 5" x 5' Master Flow Beaded Metal Duct Pipe
$17.31 each
Out of Stock
Get it by Fri, Jun 19 - Fri, Jun 26
Out of Stock
Get it by Fri, Jun 19 - Fri, Jun 26
Compare
Product Image of 10" Damper, D10
$12.99 each
In Stock
Get 6 by Tomorrow, Jun 5
In Stock
Get 6 by Tomorrow, Jun 5
Compare
Product Image of 16" Flexible Duct Connector, FC16-GAF
$26.49 each
In Stock
Get 4 by Tomorrow, Jun 5
In Stock
Get 4 by Tomorrow, Jun 5
Compare
Product Image of 8" x 4" Master Flow Ductboard R6-Insulated Register Box
$23.09 each
In Stock
Get 16 by Tomorrow, Jun 5
In Stock
Get 16 by Tomorrow, Jun 5
Compare
Product Image of 4" White Plastic Under Eave Vent, BFEV4
$8.99 each
In Stock
Get 26 by Tomorrow, Jun 5
In Stock
Get 26 by Tomorrow, Jun 5
Compare
Product Image of 3.25" x 10" Rectangular Duct Cap, DC3.25X10
$6.99 each
In Stock
Get 16 by Tomorrow, Jun 5
In Stock
Get 16 by Tomorrow, Jun 5
Compare
Product Image of Master Flow 1/4 HP Replacement Whole House Fan Motor
$212.84 each
In Stock
Get 2 by Tomorrow, Jun 5
In Stock
Get 2 by Tomorrow, Jun 5
Compare
Product Image of 24" Master Flow Replacement Aluminum Automatic Whole House Fan Shutter
$128.00 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 10" Air-Tite Take-Off w/ Damper, ATTOD10
$32.99 each
In Stock
Get 19 by Tue, Jun 9
In Stock
Get 19 by Tue, Jun 9
Compare
Product Image of 12" x 6" to 6" Register Box, RB12X6X6
$13.99 each
In Stock
Get 25 by Tomorrow, Jun 5
In Stock
Get 25 by Tomorrow, Jun 5
Compare
Product Image of 12" x 6" to 6" Insulated Register Box, IRB12X6X6
$23.99 each
In Stock
Get 39 by Tomorrow, Jun 5
In Stock
Get 39 by Tomorrow, Jun 5
Compare
Product Image of 10" x 6" to 6" End Register Box, ERB10X6X6
$15.49 each
In Stock
Get 3 by Tomorrow, Jun 5
In Stock
Get 3 by Tomorrow, Jun 5
Compare
Product Image of Bath & Dryer Rooftop Appliance Vent (Black), BDV4BL
$78.95 each
In Stock
Get 28 by Tomorrow, Jun 5
In Stock
Get 28 by Tomorrow, Jun 5
Compare
Product Image of 12" x 12" Ductboard R6-Insulated Register Box, DIRB12X12
$29.99 each
In Stock
Get 40 by Tomorrow, Jun 5
In Stock
Get 40 by Tomorrow, Jun 5
Compare
Product Image of 60 ft. R-8 Insulated Duct Wrap, INSWRP60R8
$97.00 each
In Stock
Get 11 by Wed, Jun 10
In Stock
Get 11 by Wed, Jun 10
Compare
Product Image of 3" Pivot Pipe Boot Flashing - 26 Gauge (Black), PPBG3BL
$62.95 each
In Stock
Get 4 by Tue, Jun 9
In Stock
Get 4 by Tue, Jun 9
Compare
Product Image of 5" Adjustable Elbow - 26 Gauge (90-Degree), 26B90E5
$7.99 each
In Stock
Get 20 by Tomorrow, Jun 5
In Stock
Get 20 by Tomorrow, Jun 5
Compare
Product Image of 60 ft. R-6 Insulated Duct Wrap, INSWRP60
$82.00 each
In Stock
Get 4 by Tomorrow, Jun 5
In Stock
Get 4 by Tomorrow, Jun 5
Compare
Product Image of 12" Damper, D12
$14.99 each
In Stock
Get 10 by Tomorrow, Jun 5
In Stock
Get 10 by Tomorrow, Jun 5
Compare
Product Image of Master Flow Silver Quick Connect Gable Mount Power Attic Vent Fan (1450 CFM)
$170.14 each
In Stock
Get 1 by Tomorrow, Jun 5
In Stock
Get 1 by Tomorrow, Jun 5
Compare
Product Image of 5" x 24" Round Metal Duct Pipe, BCP5X24
$7.49 each
In Stock
Get 11 by Tue, Jun 9
In Stock
Get 11 by Tue, Jun 9
Compare
Product Image of 3.25" x 10" Rectangular Stack Duct w/ Starting Collar, SCF3.25X10
$14.98 each
In Stock
Get 13 by Tomorrow, Jun 5
In Stock
Get 13 by Tomorrow, Jun 5
Compare
Product Image of 6" Fresh Air Intake Vent, FAV6
$33.99 each
In Stock
Get 29 by Tue, Jun 9
In Stock
Get 29 by Tue, Jun 9
Compare
Product Image of 6" 30 Ga Galvanized Connector Tee, T6X6X6
$18.29 each
In Stock
Get 23 by Tue, Jun 9
In Stock
Get 23 by Tue, Jun 9
Compare
Product Image of 4" to 3" Galvanized Round Reducer, R4X3
$11.49 each
In Stock
Get 17 by Tue, Jun 9
In Stock
Get 17 by Tue, Jun 9
Compare
Product Image of 4" Damper, D-4
$5.99 each
In Stock
Get 15 by Tomorrow, Jun 5
In Stock
Get 15 by Tomorrow, Jun 5
Compare
Product Image of 10" x 6" to 6" Insulated Register Box, IRB10X6X6
$21.99 each
In Stock
Get 24 by Tomorrow, Jun 5
In Stock
Get 24 by Tomorrow, Jun 5
Compare
Product Image of 7" Adjustable Elbow - 26 Gauge (90-Degree), 2690E7
$10.49 each
In Stock
Get 26 by Tue, Jun 9
In Stock
Get 26 by Tue, Jun 9
Compare
Product Image of 12" x 60" Round Metal Duct Pipe, CP12X60
$38.12 each
In Stock
Get 28 by Tue, Jun 9
In Stock
Get 28 by Tue, Jun 9
Compare
Product Image of 8" x 8" Ductboard Insulated Register Box, DIRB8X8
$22.99 each
In Stock
Get 60 by Tomorrow, Jun 5
In Stock
Get 60 by Tomorrow, Jun 5
Resources
FAQs, Manuals & Videos
Articles
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.