Marine Plumbing & Ventilation - Thru-Hull Fittings
![GROCO 3" Bronze Thru-Hull Fitting w/Nut [TH-3000-W]](http://captains-locker.com/cdn/shop/files/103896XL_{width}x.jpg?v=1715141794)
![GROCO 3" Bronze Thru-Hull Fitting w/Nut [TH-3000-W]](http://captains-locker.com/cdn/shop/files/103896XL_grande.jpg?v=1715141794)
![GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]](http://captains-locker.com/cdn/shop/products/74300XL_{width}x.jpg?v=1617448635)
![GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]](http://captains-locker.com/cdn/shop/products/74300XL_grande.jpg?v=1617448635)
Sale price
$19.99
Regular price
$22.00
Sale
![Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB]](http://captains-locker.com/cdn/shop/products/39168XL_{width}x.jpg?v=1617329669)
![Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB]](http://captains-locker.com/cdn/shop/products/39168XL_grande.jpg?v=1617329669)
Sale price
$43.99
Regular price
$66.76
Sale
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]](http://captains-locker.com/cdn/shop/products/98088XL_{width}x.jpg?v=1674676073)
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]](http://captains-locker.com/cdn/shop/products/98088XL_grande.jpg?v=1674676073)
Regular price
$27.99
![GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]](http://captains-locker.com/cdn/shop/products/75351XL_{width}x.jpg?v=1617454515)
![GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]](http://captains-locker.com/cdn/shop/products/75351XL_grande.jpg?v=1617454515)
Sale price
$70.99
Regular price
$79.00
Sale
![Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3]](http://captains-locker.com/cdn/shop/files/98109XL_{width}x.jpg?v=1742567308)
![Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3]](http://captains-locker.com/cdn/shop/files/98109XL_grande.jpg?v=1742567308)
Regular price
$16.19
![GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]](http://captains-locker.com/cdn/shop/files/111452XL_{width}x.jpg?v=1762996023)
![GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]](http://captains-locker.com/cdn/shop/files/111452XL_grande.jpg?v=1762996023)
Sale price
$92.99
Regular price
$104.00
Sale
![GROCO 1-1/2" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1500-W]](http://captains-locker.com/cdn/shop/files/111453XL_{width}x.jpg?v=1762996023)
![GROCO 1-1/2" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1500-W]](http://captains-locker.com/cdn/shop/files/111453XL_grande.jpg?v=1762996023)
Sale price
$117.99
Regular price
$131.00
Sale
![GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]](http://captains-locker.com/cdn/shop/products/75345XL_{width}x.jpg?v=1617454461)
![GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]](http://captains-locker.com/cdn/shop/products/75345XL_grande.jpg?v=1617454461)
Sale price
$79.99
Regular price
$89.00
Sale
![GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]](http://captains-locker.com/cdn/shop/products/74303XL_{width}x.jpg?v=1617448661)
![GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]](http://captains-locker.com/cdn/shop/products/74303XL_grande.jpg?v=1617448661)
Sale price
$62.99
Regular price
$70.00
Sale
![Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]](http://captains-locker.com/cdn/shop/products/39146XL_{width}x.jpg?v=1617329535)
![Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]](http://captains-locker.com/cdn/shop/products/39146XL_grande.jpg?v=1617329535)
Sale price
$92.99
Regular price
$141.26
Sale
![GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]](http://captains-locker.com/cdn/shop/products/75216XL_{width}x.jpg?v=1617453487)
![GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]](http://captains-locker.com/cdn/shop/products/75216XL_grande.jpg?v=1617453487)
Sale price
$29.99
Regular price
$33.00
Sale