Thru-Hull Fittings
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![GROCO 3\/4" Bronze Extra Long High Speed Thru-Hull Fitting w\/Nut [HSTHXL-750-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55475/60817/75384XL__37982.1739602263.jpg?c=1 "GROCO 3\/4\" Bronze Extra Long High Speed Thru-Hull Fitting w\/Nut [HSTHXL-750-W]")
GROCO 3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-750-W]
GROCO
MSRP: $42.00$38.993/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragExtra Long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 3/4"Material:...AM-75384MSRP: $42.00$38.99 -
![GROCO 2" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-2000-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55474/60816/75380XL__96904.1739602261.jpg?c=1 "GROCO 2\" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-2000-W]")
GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]
GROCO
MSRP: $107.00$81.992" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 2"Material: BronzeBox Dimensions: 4"H...AM-75380MSRP: $107.00$81.99 -
![GROCO 1-1\/2" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1500-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55473/60815/75379XL__71987.1739602259.jpg?c=1 "GROCO 1-1\/2\" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1500-W]")
GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]
GROCO
MSRP: $95.00$73.991-1/2" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1-1/2"Material: BronzeBox Dimensions:...AM-75379MSRP: $95.00$73.99 -
![GROCO 1-1\/4" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1250-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55472/60814/75378XL__31858.1739602256.jpg?c=1 "GROCO 1-1\/4\" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1250-W]")
GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]
GROCO
MSRP: $66.00$54.991-1/4" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1-1/4"Material: BronzeBox Dimensions:...AM-75378MSRP: $66.00$54.99 -
![GROCO 1" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1000-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55471/60813/75377XL__47362.1739602254.jpg?c=1 "GROCO 1\" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1000-W]")
GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]
GROCO
MSRP: $37.00$35.991" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1"Material: BronzeBox Dimensions: 3"H...AM-75377MSRP: $37.00$35.99 -
![GROCO 3\/4" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-750-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55470/60812/75376XL__55811.1739602251.jpg?c=1 "GROCO 3\/4\" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-750-W]")
GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]
GROCO
$23.003/4" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 3/4"Material: BronzeBox Dimensions:...AM-75376$23.00 -
![GROCO 2" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-2000-WS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55454/60796/75352XL__16539.1739602212.jpg?c=1 "GROCO 2\" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-2000-WS]")
GROCO 2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-2000-WS]
GROCO
MSRP: $86.00$68.992" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel Specifications:Hose Size: 2"Material: Stainless SteelBox Dimensions: 5"H x 6"W x 7"L WT: 2.6 lbsUPC:...AM-75352MSRP: $86.00$68.99 -
![GROCO 1-1\/2" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-1500-WS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55453/60795/75351XL__81264.1739602209.jpg?c=1 "GROCO 1-1\/2\" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-1500-WS]")
GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]
GROCO
MSRP: $79.00$63.991-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel Specifications:Hose Size: 1-1/2"Material: Stainless SteelBox Dimensions: 5"H x 6"W x 7"L WT: 2.1 lbsUPC:...AM-75351MSRP: $79.00$63.99 -
![GROCO 1-1\/4" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-1250-WS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55452/60794/75350XL__91595.1739602207.jpg?c=1 "GROCO 1-1\/4\" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-1250-WS]")
GROCO 1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1250-WS]
GROCO
MSRP: $78.00$62.991-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel Specifications:Hose Size: 1-1/4"Material: Stainless SteelBox Dimensions: 5"H x 6"W x 7"L WT: 1.8 lbsUPC:...AM-75350MSRP: $78.00$62.99 -
![GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-1000-WS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55451/60793/75349XL__59744.1739602205.jpg?c=1 "GROCO 1\" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-1000-WS]")
GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]
GROCO
MSRP: $64.00$53.991" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel Specifications:Material: Stainless SteelHose Size: 1"Box Dimensions: 5"H x 6"W x 7"L WT: 1.15 lbsUPC:...AM-75349MSRP: $64.00$53.99 -
![GROCO 3\/4" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-750-WS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55450/60792/75348XL__10452.1739602202.jpg?c=1 "GROCO 3\/4\" Stainless Steel Extra Long Thru-Hull Fitting w\/Nut [THXL-750-WS]")
GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]
GROCO
MSRP: $59.00$49.993/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel Specifications:Hose Size: 3/4"Material: Stainless SteelBox Dimensions: 3"H x 3"W x 8"L WT: 0.75 lbsUPC:...AM-75348MSRP: $59.00$49.99 -
![GROCO 2" Bronze Extra Long Thru-Hull Fitting w\/Nut [THXL-2000-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55449/60791/75347XL__60503.1739602200.jpg?c=1 "GROCO 2\" Bronze Extra Long Thru-Hull Fitting w\/Nut [THXL-2000-W]")
GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-2000-W]
GROCO
MSRP: $131.00$98.992" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 2"Material: BronzeBox Dimensions: 4"H x 4"W x 6"L WT: 2.6 lbsUPC: 742985141780AM-75347MSRP: $131.00$98.99