Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings

106 products
  • Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB]
    Regular price
    $44.90
    Sale price
    $44.90
    Regular price
    $80.48
    Unit price
    per 
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  • Perko 1-1/8" Thru-Hull Fitting f/Hose Narrow Flange - Plastic [0301DP6A]
    Regular price
    $17.02
    Sale price
    $17.02
    Regular price
    $25.96
    Unit price
    per 
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  • Perko 1" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6]
    Regular price
    $7.73
    Sale price
    $7.73
    Regular price
    $25.08
    Unit price
    per 
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  • GROCO 3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-750-W]
    Regular price
    $41.80
    Sale price
    $41.80
    Regular price
    $61.96
    Unit price
    per 
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  • GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]
    Regular price
    $89.82
    Sale price
    $89.82
    Regular price
    $133.20
    Unit price
    per 
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  • Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2" [930003SS]
    Regular price
    $26.32
    Sale price
    $26.32
    Regular price
    $30.96
    Unit price
    per 
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  • Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4" [930002SS]
    Regular price
    $23.22
    Sale price
    $23.22
    Regular price
    $30.96
    Unit price
    per 
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  • Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter [66545-3]
    Regular price
    $72.78
    Sale price
    $72.78
    Regular price
    $96.02
    Unit price
    per 
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  • GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS]
    Regular price
    $23.22
    Sale price
    $23.22
    Regular price
    $34.08
    Unit price
    per 
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  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]
    Regular price
    $21.67
    Sale price
    $21.67
    Regular price
    $32.53
    Unit price
    per 
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  • GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-2000-W]
    Regular price
    $128.54
    Sale price
    $128.54
    Regular price
    $192.06
    Unit price
    per 
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  • Attwood Plastic Thru-Hull Fitting - 1-1/2" - White [3875-3]
    Regular price
    $13.92
    Sale price
    $13.92
    Regular price
    $17.02
    Unit price
    per 
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  • Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]
    Regular price
    $144.03
    Sale price
    $144.03
    Regular price
    $323.73
    Unit price
    per 
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  • Perko 5" x 3-1/4" Scoop Strainer Bronze MADE IN THE USA [0066DP2PLB]
    Regular price
    $54.20
    Sale price
    $54.20
    Regular price
    $96.28
    Unit price
    per 
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  • Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]
    Regular price
    $37.16
    Sale price
    $37.16
    Regular price
    $47.07
    Unit price
    per 
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  • GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]
    Regular price
    $23.22
    Sale price
    $23.22
    Regular price
    $34.08
    Unit price
    per 
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  • Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner Diameter [66542-3]
    Regular price
    $41.80
    Sale price
    $41.80
    Regular price
    $54.46
    Unit price
    per 
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  • GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]
    Regular price
    $37.16
    Sale price
    $37.16
    Regular price
    $54.21
    Unit price
    per 
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  • Perko 1" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350006DPP]
    Regular price
    $72.78
    Sale price
    $72.78
    Regular price
    $136.43
    Unit price
    per 
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  • Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]
    Regular price
    $41.80
    Sale price
    $41.80
    Regular price
    $54.86
    Unit price
    per 
    Sold out