Cast Boat Thru-Hulls | Stainless Steel Marine 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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Thru Hull 5/8" NPS Barb Short
Regular price
$15.88
Sale price

$0.00

$15.88
Unit price
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Thru Hull 3/4" NPS Barb Short
Regular price
$17.64
Sale price

$0.00

$17.64
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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 NPS 1-1/2" Barb Short
Regular price
$32.80
Sale price

$0.00

$32.80
Unit price
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Thru Hull NPS 1-1/4" Barb Short
Regular price
$25.90
Sale price

$0.00

$25.90
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Thru Hull NPS 1-1/8" Barb Short
Regular price
$21.86
Sale price

$0.00

$21.86
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Thru-Hull NPS 1-1/2" Barb Short w/Flap
Regular price
$52.10
Sale price

$0.00

$52.10
Unit price
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Thru Hull 5/8" Barb NPS
Regular price
$16.95
Sale price

$0.00

$16.95
Unit price
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Thru Hull 3/4" Barb NPS
Regular price
$19.57
Sale price

$0.00

$19.57
Unit price
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Thru Hull 1" Barb NPS
Regular price
$23.61
Sale price

$0.00

$23.61
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Thru Hull 1-1/2" Barb NPS
Regular price
$37.62
Sale price

$0.00

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

$0.00

$30.82
Unit price
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Thru Hull 1-1/8" Barb NPS
Regular price
$28.57
Sale price

$0.00

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

$0.00

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

$0.00

$92.43
Unit price
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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 1/2" 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" NPT
Regular price
$22.76
Sale price

$0.00

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

$0.00

$44.34
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Thru Hull 1-1/2" NPT
Regular price
$37.62
Sale price

$0.00

$37.62
Unit price
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Thru Hull 1-1/4" NPT
Regular price
$33.49
Sale price

$0.00

$33.49
Unit price
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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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