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Show In Stock Only (9)

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GAF Master Flow (11)

Size
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3-1/4" x 10" (1)
3-1/4" (3)
4" (1)
6" (2)
10" (4)
10" x 3-1/4" x 4" (1)
10" x 3-1/4" x 6" (1)
10" x 6" (1)
16" (1)
16" x 35" (1)

Product Type
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Boot (2)
Cap (1)
Panning Sheet (1)
Stack Duct (1)
Stack Head (1)
Venting Accessory (5)

Price Range
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$5 to $10 (1)
$10 to $15 (2)
$15 to $20 (5)
$25 to $30 (3)

Square HVAC Duct Fittings

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Product Image of 16" x 35" Galvanized Panning
16" x 35" Galvanized Panning
SKU: GP16X35
GAF Master Flow
SKU: GP16X35
Brand: GAF Master Flow
$12.80 each
In Stock
Get 6 by Tue, Jul 7
In Stock
Get 6 by Tue, Jul 7
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Product Image of 3-1/4" x 10" x 3' Half Section Rectangular Stack Duct
3-1/4" x 10" x 3' Half Section Rectangular Stack Duct
SKU: RD3.25X10X36
GAF Master Flow
SKU: RD3.25X10X36
Brand: GAF Master Flow
(1)
$14.75 each
In Stock
Get 14 by Tue, Jul 7
In Stock
Get 14 by Tue, Jul 7
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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
Brand: GAF Master Flow
$16.01 each
In Stock
Get 17 by Tue, Jul 7
In Stock
Get 17 by Tue, Jul 7
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Product Image of 10" x 3-1/4" to 6" Stack Boot
10" x 3-1/4" to 6" Stack Boot
SKU: SB10X3.25X6
GAF Master Flow
SKU: SB10X3.25X6
Brand: GAF Master Flow
$17.00 each
In Stock
Get 7 by Tue, Jul 7
In Stock
Get 7 by Tue, Jul 7
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Product Image of 10" x 6" Rectangular Stack Head
10" x 6" Rectangular Stack Head
SKU: SH10X6
GAF Master Flow
SKU: SH10X6
Brand: GAF Master Flow
$15.94 each
In Stock
Get 13 by Tue, Jul 7
In Stock
Get 13 by Tue, Jul 7
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Product Image of 3.25" x 10" Rectangular Duct Cap, DC3.25X10
3.25" x 10" Rectangular Duct Cap, DC3.25X10
SKU: DC3.25X10
GAF Master Flow
SKU: DC3.25X10
Brand: GAF Master Flow
$6.99 each
In Stock
Get 22 by Tue, Jul 7
In Stock
Get 22 by Tue, Jul 7
Compare
Product Image of 3.25" x 10" x 60" Rectangular Duct, RD3.25X10X60
3.25" x 10" x 60" Rectangular Duct, RD3.25X10X60
SKU: RD3.25X10X60
GAF Master Flow
SKU: RD3.25X10X60
Brand: GAF Master Flow
$26.99 each
In Stock
Get 7 by Wed, Jul 8
In Stock
Get 7 by Wed, Jul 8
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Product Image of 3.25" x 12" x 3' Half Section Rectangular Stack Duct, RD3.25X12X36
3.25" x 12" x 3' Half Section Rectangular Stack Duct, RD3.25X12X36
SKU: RD3.25X12X36
GAF Master Flow
SKU: RD3.25X12X36
Brand: GAF Master Flow
$16.99 each
In Stock
Get 4 by Wed, Jul 8
In Stock
Get 4 by Wed, Jul 8
Compare
Product Image of 3.25" x 12" x 60" Rectangular Duct, RD3.25X12X60
3.25" x 12" x 60" Rectangular Duct, RD3.25X12X60
SKU: RD3.25X12X60
GAF Master Flow
SKU: RD3.25X12X60
Brand: GAF Master Flow
$28.99 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
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Product Image of 3.25" x 14" x 36" Rectangular Duct, RD3.25X14X36
3.25" x 14" x 36" Rectangular Duct, RD3.25X14X36
SKU: RD3.25X14X36
GAF Master Flow
SKU: RD3.25X14X36
Brand: GAF Master Flow
$18.99 each
In Stock
Get 7 by Wed, Jul 8
In Stock
Get 7 by Wed, Jul 8
Compare
Product Image of 3.25" x 14" x 5' Half Section Rectangular Stack Duct, RD3.25X14X60
3.25" x 14" x 5' Half Section Rectangular Stack Duct, RD3.25X14X60
SKU: RD3.25X14X60
GAF Master Flow
SKU: RD3.25X14X60
Brand: GAF Master Flow
$29.99 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
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More About Square HVAC Duct Fittings
This category contains a variety of steel square duct HVAC fittings, including duct, 90° elbows, goosenecks, clean-out caps, and ceiling outlets.
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