Marine Plumbing & Ventilation - Thru-Hull Fittings
![Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]](http://marinasupply.co/cdn/shop/products/73277XL_{width}x.jpg?v=1617444435)
![Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]](http://marinasupply.co/cdn/shop/products/73277XL_grande.jpg?v=1617444435)
Sale price
$50.99
Regular price
$60.09
Sale
![GROCO 3" Bronze Thru-Hull Fitting w/Nut [TH-3000-W]](http://marinasupply.co/cdn/shop/files/103896XL_{width}x.jpg?v=1715141794)
![GROCO 3" Bronze Thru-Hull Fitting w/Nut [TH-3000-W]](http://marinasupply.co/cdn/shop/files/103896XL_grande.jpg?v=1715141794)
![GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]](http://marinasupply.co/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://marinasupply.co/cdn/shop/products/75351XL_grande.jpg?v=1617454515)
Sale price
$69.99
Regular price
$78.00
Sale
![GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]](http://marinasupply.co/cdn/shop/products/75348XL_{width}x.jpg?v=1617454488)
![GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]](http://marinasupply.co/cdn/shop/products/75348XL_grande.jpg?v=1617454488)
Sale price
$50.99
Regular price
$57.00
Sale
![Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]](http://marinasupply.co/cdn/shop/products/39182XL_{width}x.jpg?v=1617329793)
![Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]](http://marinasupply.co/cdn/shop/products/39182XL_grande.jpg?v=1617329793)
Sale price
$48.99
Regular price
$67.77
Sale
![GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]](http://marinasupply.co/cdn/shop/products/75330XL_{width}x.jpg?v=1617454328)
![GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]](http://marinasupply.co/cdn/shop/products/75330XL_grande.jpg?v=1617454328)
Sale price
$39.99
Regular price
$44.00
Sale
![GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]](http://marinasupply.co/cdn/shop/products/75376XL_{width}x.jpg?v=1617454647)
![GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]](http://marinasupply.co/cdn/shop/products/75376XL_grande.jpg?v=1617454647)
Sale price
$19.99
Regular price
$22.00
Sale
![GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]](http://marinasupply.co/cdn/shop/products/74290XL_{width}x.jpg?v=1617448573)
![GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]](http://marinasupply.co/cdn/shop/products/74290XL_grande.jpg?v=1617448573)
Sale price
$20.99
Regular price
$23.00
Sale
![GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]](http://marinasupply.co/cdn/shop/products/74289XL_{width}x.jpg?v=1617448564)
![GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]](http://marinasupply.co/cdn/shop/products/74289XL_grande.jpg?v=1617448564)
Sale price
$18.99
Regular price
$21.00
Sale
![GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]](http://marinasupply.co/cdn/shop/products/74291XL_{width}x.jpg?v=1617448582)
![GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]](http://marinasupply.co/cdn/shop/products/74291XL_grande.jpg?v=1617448582)
Sale price
$29.99
Regular price
$33.00
Sale
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]](http://marinasupply.co/cdn/shop/products/75226XL_{width}x.jpg?v=1617453576)
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]](http://marinasupply.co/cdn/shop/products/75226XL_grande.jpg?v=1617453576)
Sale price
$37.99
Regular price
$42.00
Sale
![Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]](http://marinasupply.co/cdn/shop/products/39148XL_{width}x.jpg?v=1617329553)
![Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]](http://marinasupply.co/cdn/shop/products/39148XL_grande.jpg?v=1617329553)
Sale price
$23.99
Regular price
$35.86
Sale