Cast Thru- Hulls

Collection: Cast Thru- Hulls

Our stainless steel, corrosion-resistant thru-hulls come in a variety of diameters and sizes and are specially designed to accept hoses or valves to allow water to easily pass through the hull of your vessel. GEM thru-hulls also offer a design that allows one-man installation.
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1.5 INCH TH Flapper Assembly
Regular price
$2.28
Sale price

$0.00

$2.28
Unit price
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2 INCH TH Flapper Assembly
Regular price
$2.50
Sale price

$0.00

$2.50
Unit price
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Thru Hull 1/2" NPT
Regular price
$17.19
Sale price

$0.00

$17.19
Unit price
per 
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Thru Hull 3/4" NPT
Regular price
$20.84
Sale price

$0.00

$20.84
Unit price
per 
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Thru Hull 1" 90º NPS
Regular price
$36.78
Sale price

$0.00

$36.78
Unit price
per 
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Thru Hull 1" Barb NPS
Regular price
$23.61
Sale price

$0.00

$23.61
Unit price
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Thru Hull 1" NPS Barb Short
Regular price
$20.55
Sale price

$0.00

$20.55
Unit price
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Thru Hull 1" NPT
Regular price
$22.76
Sale price

$0.00

$22.76
Unit price
per 
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Thru Hull 1" w/flapper NPT
Regular price
$44.34
Sale price

$0.00

$44.34
Unit price
per 
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Thru Hull 1-1/2" Barb NPS
Regular price
$37.62
Sale price

$0.00

$37.62
Unit price
per 
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Thru Hull 1-1/2" NPS Barb w/ Flap
Regular price
$57.80
Sale price

$0.00

$57.80
Unit price
per 
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Thru Hull 1-1/2" NPT
Regular price
$37.62
Sale price

$0.00

$37.62
Unit price
per 
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Thru Hull 1-1/4" Barb NPS
Regular price
$30.82
Sale price

$0.00

$30.82
Unit price
per 
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Thru Hull 1-1/4" NPT
Regular price
$33.49
Sale price

$0.00

$33.49
Unit price
per 
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Thru Hull 1-1/8" 90º NPS
Regular price
$34.24
Sale price

$0.00

$34.24
Unit price
per 
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Thru Hull 1-1/8" Barb NPS
Regular price
$28.57
Sale price

$0.00

$28.57
Unit price
per 
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Thru Hull 2" Barb NPS
Regular price
$56.82
Sale price

$0.00

$56.82
Unit price
per 
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Thru Hull 2" NPS Barb w/ Flapper
Regular price
$92.43
Sale price

$0.00

$92.43
Unit price
per 
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Thru Hull 2" NPT
Regular price
$47.06
Sale price

$0.00

$47.06
Unit price
per 
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Thru Hull 2" w/flapper NPT
Regular price
$92.43
Sale price

$0.00

$92.43
Unit price
per 
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Thru Hull 3/4" 90º NPS
Regular price
$24.68
Sale price

$0.00

$24.68
Unit price
per 
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Thru Hull 3/4" Barb NPS
Regular price
$19.57
Sale price

$0.00

$19.57
Unit price
per 
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Thru Hull 3/4" NPS Barb Short
Regular price
$17.64
Sale price

$0.00

$17.64
Unit price
per 
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Thru Hull 3/4" NPT 1.5" of thread
Regular price
$23.22
Sale price

$0.00

$23.22
Unit price
per 
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