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Marine Plumbing & Ventilation - Thru-Hull Fittings

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    GROCO 3/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-750-W]

    GROCO
    17 in stock

    3/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 3/4" M...

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    GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

    GROCO
    10 in stock

    1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Ava...

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    $77.00
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    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]

    GROCO
    11 in stock

    Bronze Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1...

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    $60.09
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    $37.00
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    $37.00

    Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]

    Perko
    Only 5 left!

    Thru-Hull Scupper for Mounting Through TransomFeatures: Molded White Polymer Soft Black Flapper Nut and Mounting Hardware Included Specifications:...

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    $59.00
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    $35.00

    GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]

    GROCO
    10 in stock

    3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: H...

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    $34.00
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    $20.00

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]

    GROCO
    17 in stock

    Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: ...

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    $62.46
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    $24.00
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    $24.00

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

    Perko
    Only 3 left!

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

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    $87.56
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    $87.56
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    $40.00

    Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

    Perko
    11 in stock

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

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    $164.41
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    $164.41
    $70.00
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    $70.00

    Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Made in the USA [0350008DPP]

    Perko
    6 in stock

    Perko 1-1/2" 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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    $28.00
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    $17.00
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    $17.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 5/8" [HTH-625]

    GROCO
    14 in stock

    Bronze Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 5/8" ...

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    $61.56
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    $61.56
    $46.00
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    $46.00

    Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3]

    Attwood Marine
    6 in stock

    Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings...

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    $61.56
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    $46.00
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    $101.00
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    $101.00
    $61.00
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    $61.00

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

    GROCO
    Only 3 left!

    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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    $101.00
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    $61.00
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    $41.00
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    $41.00
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    $25.00

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

    GROCO
    Only 4 left!

    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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    $268.00
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    $268.00
    $161.00
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    $161.00

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

    GROCO
    Only 3 left!

    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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    $161.00
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    $161.00
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    $9.99
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    $9.99
    $8.00
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    $8.00

    Attwood White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter [3877-3]

    Attwood Marine
    12 in stock

    White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter90° Thru-Hulls are ideal for tight installations, such as livewell overflow drain...

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    $8.00
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    $69.00
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    $69.00
    $41.00
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    $41.00

    GROCO 1" 90 Degree Hose Thru-Hull Fitting [HTHC-1000-S]

    GROCO
    Only 1 left!

    1" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specificat...

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    $41.00
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    $78.00
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    $78.00
    $47.00
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    $47.00

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

    GROCO
    Only 1 left!

    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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    $40.00
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    $24.00
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    $24.00

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

    GROCO
    14 in stock

    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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    $189.93
    $189.93 - $189.93
    $189.93
    $76.00
    $76.00 - $76.00
    $76.00

    Perko 1-1/2" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [0350008DPC]

    Perko
    9 in stock

    Perko 1-1/2" Thru-Hull Connection f/ use with Hose Chrome Plated BronzeFlange is machined to fit and grooved to retain bedding compound neck isthr...

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    $189.93
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    $189.93
    $76.00
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    $76.00
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    $113.32
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    $113.32
    $51.00
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    $51.00

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

    Perko
    Only 5 left!

    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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    $113.32
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    $113.32
    $51.00
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    $51.00
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    $66.39
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    $66.39
    $25.00
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    $25.00

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

    Perko
    6 in stock

    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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    $66.39
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    $66.39
    $25.00
    $25.00 - $25.00
    $25.00
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    $69.00
    $69.00 - $69.00
    $69.00
    $41.00
    $41.00 - $41.00
    $41.00

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

    GROCO
    10 in stock

    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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    $69.00
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    $69.00
    $41.00
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    $41.00
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    $160.39
    $160.39 - $160.39
    $160.39
    $73.00
    $73.00 - $73.00
    $73.00

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

    Perko
    Only 3 left!

    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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    $160.39
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    $160.39
    $73.00
    $73.00 - $73.00
    $73.00
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    $46.00
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    $46.00
    $28.00
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    $28.00

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

    GROCO
    6 in stock

    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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    $46.00
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    $46.00
    $28.00
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    $28.00
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