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Free shipping on U.S. domestic orders of $89.99 or more! For international orders, please email support@neptuniansky.com for shipping rates. **exclusions apply**

Marine Plumbing & Ventilation - Thru-Hull Fittings

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GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]

GROCO
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Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications...

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GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]

GROCO
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Stainless Steel Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Ho...

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GROCO 1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1250-WS]

GROCO
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1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications:...

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GROCO Bronze Hose Barb Thru-Hull Fitting - 1" [HTH-1000]

GROCO
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Bronze Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1" Mate...

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GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]

GROCO
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Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: ...

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GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]

GROCO
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Bronze Hose Barb Thru-Hull Fitting - 2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 2" Mate...

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GROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]

GROCO
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2-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C836...

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Perko 5/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]

Perko
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Perko 5/8" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthread...

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$113.32
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Perko 1" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350006DPC]

Perko
Low stock

Perko 1" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded...

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$133.88
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Perko 1-1/4" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350007DPP]

Perko
Low stock

Perko 1-1/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to appro...

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$160.39
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$78.99
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Perko 1-1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP8PLB]

Perko
In stock

Perko 1-1/2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to ap...

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