Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings

106 products
  • Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4]
    Regular price
    $5.66
    Sale price
    $5.66
    Regular price
    $10.74
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    per 
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  • GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2000-W]
    Regular price
    $157.51
    Sale price
    $157.51
    Regular price
    $235.58
    Unit price
    per 
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  • GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]
    Regular price
    $42.56
    Sale price
    $42.56
    Regular price
    $62.44
    Unit price
    per 
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  • GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]
    Regular price
    $56.75
    Sale price
    $56.75
    Regular price
    $85.15
    Unit price
    per 
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  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]
    Regular price
    $55.33
    Sale price
    $55.33
    Regular price
    $82.31
    Unit price
    per 
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  • GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting [HTHC-1500-S]
    Regular price
    $181.64
    Sale price
    $181.64
    Regular price
    $271.06
    Unit price
    per 
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  • GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]
    Regular price
    $68.10
    Sale price
    $68.10
    Regular price
    $100.76
    Unit price
    per 
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  • GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]
    Regular price
    $22.69
    Sale price
    $22.69
    Regular price
    $32.64
    Unit price
    per 
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  • Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]
    Regular price
    $18.43
    Sale price
    $18.43
    Regular price
    $28.37
    Unit price
    per 
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  • Perko 1-1/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6A]
    Regular price
    $7.08
    Sale price
    $7.08
    Regular price
    $22.98
    Unit price
    per 
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  • GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]
    Regular price
    $52.49
    Sale price
    $52.49
    Regular price
    $78.05
    Unit price
    per 
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  • Perko 3/4" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP5]
    Regular price
    $5.66
    Sale price
    $5.66
    Regular price
    $11.44
    Unit price
    per 
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  • Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]
    Regular price
    $32.63
    Sale price
    $32.63
    Regular price
    $42.21
    Unit price
    per 
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  • Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]
    Regular price
    $106.42
    Sale price
    $106.42
    Regular price
    $257.93
    Unit price
    per 
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  • Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]
    Regular price
    $25.53
    Sale price
    $25.53
    Regular price
    $50.89
    Unit price
    per 
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  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]
    Regular price
    $99.33
    Sale price
    $99.33
    Regular price
    $147.59
    Unit price
    per 
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  • Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]
    Regular price
    $8.50
    Sale price
    $8.50
    Regular price
    $12.57
    Unit price
    per 
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  • Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]
    Regular price
    $51.07
    Sale price
    $51.07
    Regular price
    $96.18
    Unit price
    per 
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  • GROCO 3/4" 90 Degree Hose Thru-Hull Fitting [HTHC-750-S]
    Regular price
    $52.49
    Sale price
    $52.49
    Regular price
    $78.05
    Unit price
    per 
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  • GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]
    Regular price
    $31.21
    Sale price
    $31.21
    Regular price
    $46.83
    Unit price
    per 
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