Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings

106 products
  • Perko 8" x 5-1/8" Scoop Strainer Bronze MADE IN THE USA [0066DP4PLB]
    Regular price
    $63.99
    Sale price
    $63.99
    Regular price
    $114.05
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  • GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]
    Regular price
    $23.99
    Sale price
    $23.99
    Regular price
    $35.00
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  • GROCO 2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-2000-WS]
    Regular price
    $57.99
    Sale price
    $57.99
    Regular price
    $86.00
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  • GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]
    Regular price
    $41.99
    Sale price
    $41.99
    Regular price
    $62.00
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  • GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]
    Regular price
    $62.99
    Sale price
    $62.99
    Regular price
    $94.00
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  • GROCO 3/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-750-W]
    Regular price
    $27.99
    Sale price
    $27.99
    Regular price
    $41.00
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  • GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]
    Regular price
    $59.99
    Sale price
    $59.99
    Regular price
    $90.00
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  • Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A]
    Regular price
    $5.99
    Sale price
    $5.99
    Regular price
    $17.57
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  • GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]
    Regular price
    $13.99
    Sale price
    $13.99
    Regular price
    $21.00
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  • Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]
    Regular price
    $76.99
    Sale price
    $76.99
    Regular price
    $102.83
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  • GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting [HTHC-1250-S]
    Regular price
    $71.99
    Sale price
    $71.99
    Regular price
    $104.00
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  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]
    Regular price
    $48.99
    Sale price
    $48.99
    Regular price
    $73.00
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  • Perko 1-1/2" Thru-Hull Fitting f/Hose Plastic MADE IN THE USA [0328DP8]
    Regular price
    $6.99
    Sale price
    $6.99
    Regular price
    $21.76
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  • Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]
    Regular price
    $37.99
    Sale price
    $37.99
    Regular price
    $60.09
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  • GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]
    Regular price
    $39.99
    Sale price
    $39.99
    Regular price
    $59.00
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  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]
    Regular price
    $27.99
    Sale price
    $27.99
    Regular price
    $42.00
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  • Attwood White Plastic Thru-Hull Fitting - 1-1/8" Inner Diameter [3874-3]
    Regular price
    $7.99
    Sale price
    $7.99
    Regular price
    $9.99
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  • Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner Diameter [66549-3]
    Regular price
    $31.99
    Sale price
    $31.99
    Regular price
    $42.28
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  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]
    Regular price
    $22.99
    Sale price
    $22.99
    Regular price
    $34.00
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    per 
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  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125]
    Regular price
    $32.99
    Sale price
    $32.99
    Regular price
    $49.00
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    per 
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