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Fat Cat Bait & Fishing Supply (Online Sales Dept)
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Marine Plumbing & Ventilation - Thru-Hull Fittings

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    GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]

    GROCO
    Only 1 left!

    1" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL L...

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    GROCO 1" Bronze Combo Scoop Thru-Hull w/Nut [STH-1000-W]

    GROCO
    12 in stock

    1" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 B...

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    $191.00
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    $114.99
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    $114.99

    GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting [HTHC-1500-S]

    GROCO
    5 in stock

    1-1/2" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specif...

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    $58.00
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    $34.99
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    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]

    GROCO
    10 in stock

    Bronze Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1...

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    GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]

    GROCO
    19 in stock

    3/4" 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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    $71.00
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    $42.99

    GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]

    GROCO
    6 in stock

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

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    $64.00
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    $38.99

    GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

    GROCO
    5 in stock

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

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    $55.00
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    $32.99
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    GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]

    GROCO
    18 in stock

    1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B A...

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    $104.00
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    $62.99
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    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]

    GROCO
    4 in stock

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

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    $107.00
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    $64.99
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    GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-2000-W]

    GROCO
    Only 2 left!

    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 Avail...

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    $107.00
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    $55.00
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    $32.99

    GROCO 3/4" 90 Degree Hose Thru-Hull Fitting [HTHC-750-S]

    GROCO
    5 in stock

    3/4" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specific...

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    $55.00
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    $19.99
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    $19.99

    GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]

    GROCO
    24 in stock

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

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    $86.00
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    $51.99
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    $51.99

    GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]

    GROCO
    7 in stock

    1-1/4" 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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    $23.99
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    $23.99

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

    GROCO
    15 in stock

    3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag...

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    $40.00
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    $79.00
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    $47.99
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    $47.99

    GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]

    GROCO
    6 in stock

    1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications:...

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    $79.00
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    $21.00
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    $12.99
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    $12.99

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]

    GROCO
    23 in stock

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

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    GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS]

    GROCO
    Only 1 left!

    1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL...

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    $124.00
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    $74.99
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    $74.99

    GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-2000-W]

    GROCO
    6 in stock

    2" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 2" Mater...

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    $124.00
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    $21.00
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    GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]

    GROCO
    8 in stock

    3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL...

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    $22.00
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    $13.99
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    $13.99

    GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]

    GROCO
    24 in stock

    3/4" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT...

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    $22.00
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    $218.00
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    $218.00
    $130.99
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    $130.99

    GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]

    GROCO
    3 in stock

    2-1/2" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 2-1/2" GROCO thru-hull fitting than conventional thru-hulls.Featu...

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    $218.00
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    $130.99
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    $313.00
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    $313.00
    $187.99
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    $187.99

    GROCO 3" Bronze Thru-Hull Fitting w/Nut [TH-3000-W]

    GROCO
    3 in stock

    3" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 3" GROCO thru-hull fitting than conventional thru-hulls.Features: NPS...

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    $313.00
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    $313.00
    $187.99
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    $187.99
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  • Save $14.01 Save $0.00
    $35.00
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    $35.00
    $20.99
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    $20.99

    GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]

    GROCO
    3 in stock

    1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 ...

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    $35.00
    $20.99
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    $20.99
    Save $14.01 Save $0.00
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    $35.00
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    $20.99

    GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]

    GROCO
    13 in stock

    1" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT c...

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    $35.00
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