Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings

106 products
  • Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB]
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $66.76
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  • Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]
    Regular price
    $22.99
    Sale price
    $22.99
    Regular price
    $27.99
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  • GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]
    Regular price
    $52.99
    Sale price
    $52.99
    Regular price
    $79.00
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  • Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3]
    Regular price
    $12.99
    Sale price
    $12.99
    Regular price
    $16.19
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  • GROCO 3/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-750-W]
    Regular price
    $26.99
    Sale price
    $26.99
    Regular price
    $40.00
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  • GROCO 1-1/2" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1500-W]
    Regular price
    $81.99
    Sale price
    $81.99
    Regular price
    $123.00
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  • GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]
    Regular price
    $65.99
    Sale price
    $65.99
    Regular price
    $98.00
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  • GROCO 1" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1000-W]
    Regular price
    $37.99
    Sale price
    $37.99
    Regular price
    $57.00
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  • GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]
    Regular price
    $145.99
    Sale price
    $145.99
    Regular price
    $218.00
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  • GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]
    Regular price
    $46.99
    Sale price
    $46.99
    Regular price
    $70.00
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  • GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]
    Regular price
    $55.99
    Sale price
    $55.99
    Regular price
    $84.00
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    per 
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  • Whitecap 1-1/2" Duplex Stainless Steel 90 Degree Thru-Hull Fitting [6581X]
    Regular price
    $88.99
    Sale price
    $88.99
    Regular price
    $112.49
    Unit price
    per 
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  • Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]
    Regular price
    $64.99
    Sale price
    $64.99
    Regular price
    $141.26
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    per 
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  • GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]
    Regular price
    $21.99
    Sale price
    $21.99
    Regular price
    $32.00
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  • GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]
    Regular price
    $63.99
    Sale price
    $63.99
    Regular price
    $96.00
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    per 
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  • Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]
    Regular price
    $51.99
    Sale price
    $51.99
    Regular price
    $109.63
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    per 
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  • Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]
    Regular price
    $64.99
    Sale price
    $64.99
    Regular price
    $118.72
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  • GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]
    Regular price
    $59.99
    Sale price
    $59.99
    Regular price
    $90.00
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    per 
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  • GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]
    Regular price
    $42.99
    Sale price
    $42.99
    Regular price
    $64.00
    Unit price
    per 
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  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]
    Regular price
    $22.99
    Sale price
    $22.99
    Regular price
    $34.00
    Unit price
    per 
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