Marine Plumbing & Ventilation - Thru-Hull Fittings

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GROCO Bronze Hose Barb ThruHull Fitting  2 HTH2000
Save 28%
$101.00
$72.99

GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]

GROCO

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

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$101.00
$72.99
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GROCO Bronze Hose Barb ThruHull Fitting  12 HTH500
Save 27%
$22.00
$15.99

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

GROCO

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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$22.00
$15.99
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GROCO 212 Bronze Combo Scoop ThruHull wNut STH2500W
Save 28%
$268.00
$193.99

GROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]

GROCO

2-1/2" 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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$268.00
$193.99
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GROCO Bronze Hose Barb ThruHull Fitting  118 HTH1125
Save 27%
$52.00
$37.99

GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125]

GROCO

Bronze Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1...

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$52.00
$37.99
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GROCO Stainless Steel Hose Barb ThruHull Fitting  12 HTH500S
Save 28%
$40.00
$28.99

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]

GROCO

Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: ...

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$40.00
$28.99
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GROCO 114 Bronze Combo Scoop ThruHull wNut STH1250W
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$86.00
$62.99

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

GROCO

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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$86.00
$62.99
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GROCO 2 Stainless Steel Extra Long ThruHull Fitting wNut THXL2000WS
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$86.00
$62.99

GROCO 2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-2000-WS]

GROCO

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

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$86.00
$62.99
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GROCO Bronze Hose Barb ThruHull Fitting  58 HTH625
Save 25%
$28.00
$20.99

GROCO Bronze Hose Barb Thru-Hull Fitting - 5/8" [HTH-625]

GROCO

Bronze Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 5/8" ...

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$28.00
$20.99
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GROCO 34 Bronze Extra Long ThruHull Fitting wNut THXL750W
Save 26%
$43.00
$31.99

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

GROCO

3/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 3/4" M...

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$43.00
$31.99
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GROCO 34 Stainless Steel Extra Long ThruHull Fitting wNut THXL750WS
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$59.00
$42.99

GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]

GROCO

3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: H...

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$59.00
$42.99
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GROCO 2 Bronze Extra Long ThruHull Fitting wNut THXL2000W
Save 27%
$131.00
$94.99

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

GROCO

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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$131.00
$94.99
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GROCO 114 Stainless Steel Extra Long ThruHull Fitting wNut THXL1250WS
Save 27%
$78.00
$56.99

GROCO 1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1250-WS]

GROCO

1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications:...

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$78.00
$56.99
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GROCO 12 Bronze Combo Scoop ThruHull wNut STH500W
Save 26%
$35.00
$25.99

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

GROCO

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
$25.99
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GROCO Stainless Steel Hose Barb ThruHull Fitting  2 HTH2000S
Save 27%
$104.00
$75.99

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

GROCO

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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$104.00
$75.99
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GROCO Bronze Hose Barb ThruHull Fitting  1 HTH1000
Save 26%
$46.00
$33.99

GROCO Bronze Hose Barb Thru-Hull Fitting - 1" [HTH-1000]

GROCO

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

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$46.00
$33.99
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GROCO Bronze Hose Barb ThruHull Fitting  112 HTH1500
Save 27%
$77.00
$55.99

GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]

GROCO

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

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$77.00
$55.99
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GROCO Stainless Steel Hose Barb ThruHull Fitting  112 HTH1500S
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$85.00
$61.99

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]

GROCO

Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications...

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$85.00
$61.99
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GROCO Stainless Steel Hose Barb ThruHull Fitting  118 HTH1125S
Save 26%
$43.00
$31.99

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]

GROCO

Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications...

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$43.00
$31.99
Save 26%
GROCO Bronze Hose Barb ThruHull Fitting  114 HTH1250
Save 27%
$62.00
$44.99

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

GROCO

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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$62.00
$44.99
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GROCO Stainless Steel Hose Barb ThruHull Fitting  1 HTH1000S
Save 27%
$41.00
$29.99

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]

GROCO

Stainless Steel Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Ho...

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$41.00
$29.99
Save 27%
GROCO Stainless Steel Hose Barb ThruHull Fitting  114 HTH1250S
Save 28%
$69.00
$49.99

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]

GROCO

Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications...

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$69.00
$49.99
Save 28%
GROCO Stainless Steel Hose Barb ThruHull Fitting  34 HTH750S
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$34.00
$24.99

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]

GROCO

Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: ...

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$34.00
$24.99
Save 27%
GROCO 34 Bronze Combo Scoop ThruHull wNut STH750W
Save 27%
$44.00
$31.99

GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]

GROCO

3/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600...

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$44.00
$31.99
Save 27%
GROCO Stainless Steel Hose Barb ThruHull Fitting  58 HTH625S
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$34.00
$24.99

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]

GROCO

Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: ...

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$34.00
$24.99
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GROCO 1 Bronze Extra Long ThruHull Fitting wNut THXL1000W
Save 27%
$55.00
$39.99

GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1000-W]

GROCO

1" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1" Mater...

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$55.00
$39.99
Save 27%
GROCO 1 Bronze Combo Scoop ThruHull wNut STH1000W
Save 27%
$60.00
$43.99

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

GROCO

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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$60.00
$43.99
Save 27%
GROCO 12 NPS NPT Combo Stainless Steel ThruHull Fitting wNut TH500WS
Save 27%
$22.00
$15.99

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

GROCO

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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$22.00
$15.99
Save 27%
GROCO 1 NPS NPT Combo Stainless Steel ThruHull Fitting wNut TH1000WS
Save 27%
$60.00
$43.99

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

GROCO

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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$60.00
$43.99
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GROCO 112 NPS NPT Combo Bronze ThruHull Fitting wNut TH1500W
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$71.00
$51.99

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

GROCO

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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$71.00
$51.99
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GROCO 34 NPS NPT Combo Stainless Steel ThruHull Fitting wNut TH750WS
Save 27%
$22.00
$15.99

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

GROCO

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
$15.99
Save 27%
GROCO 114 NPS NPT Combo Stainless Steel ThruHull Fitting wNut TH1250WS
Save 27%
$67.00
$48.99

GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]

GROCO

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

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$67.00
$48.99
Save 27%
GROCO 2 NPS NPT Combo Stainless Steel ThruHull Fitting wNut TH2000WS
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$95.00
$68.99

GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]

GROCO

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 L...

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$95.00
$68.99
Save 27%
GROCO 114 NPS NPT Combo Bronze ThruHull Fitting wNut TH1250W
Save 27%
$55.00
$39.99

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

GROCO

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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$55.00
$39.99
Save 27%
GROCO 1 NPS NPT Combo Bronze ThruHull Fitting wNut TH1000W
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$33.00
$23.99

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

GROCO

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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$33.00
$23.99
Save 27%
GROCO 34 NPS NPT Combo Bronze ThruHull Fitting wNut TH750W
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$23.00
$16.99

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

GROCO

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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$23.00
$16.99
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GROCO 12 NPS NPT Combo Bronze ThruHull Fitting wNut TH500W
Save 24%
$21.00
$15.99

GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

GROCO

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 Ava...

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$21.00
$15.99
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Perko ThruHull Scupper fMounting Through Transom 0323DP
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$60.09
$42.99

Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]

Perko

Thru-Hull Scupper for Mounting Through TransomFeatures: Molded White Polymer Soft Black Flapper Nut and Mounting Hardware Included Specifications:...

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$60.09
$42.99
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Perko 34 ThruHull Fitting fHose  Plastic Narrow Flange 0301DP5
Save 21%
$8.86
$6.99

Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]

Perko

3/4" Thru-Hull Fitting f/Hose - Plastic Narrow FlangeFeatures: Molded white Narrow Flange Specifications: Hose Size: 3/4" Mounting Hole Diameter: ...

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$8.86
$6.99
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Perko 118 ThruHull Fitting fHose Narrow Flange  Plastic 0301DP6A
Save 17%
$16.76
$13.99

Perko 1-1/8" Thru-Hull Fitting f/Hose Narrow Flange - Plastic [0301DP6A]

Perko

1-1/8" Thru-Hull Fitting for Hose Narrow Flange - PlasticFeatures: Molded white Narrow Flange Specifications: Hose Size: 1-1/8" Mounting Hole Di...

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$16.76
$13.99
Save 17%
Perko 12 ThruHull Fitting wPipe Thread Bronze MADE IN   THE USA 0322DP4PLB
Save 37%
$51.96
$32.99

Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB]

Perko

Perko 1/2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis threaded to appro...

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$51.96
$32.99
Save 37%
Perko 114 ThruHull Fitting fHose Bronze MADE IN THE USA 0350007DPP
Save 53%
$133.88
$62.99

Perko 1-1/4" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350007DPP]

Perko

Perko 1-1/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to appro...

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$133.88
$62.99
Save 53%
Perko 118 ThruHull Fitting f Hose Bronze Made in the USA 035006ADPP
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$88.08
$52.99

Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP]

Perko

Perko 1-1/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck is threaded to appr...

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$88.08
$52.99
Sold Out!
Perko 112 ThruHull Fitting wPipe Thread Bronze MADE IN THE USA 0322DP8PLB
Save 48%
$160.39
$83.99

Perko 1-1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP8PLB]

Perko

Perko 1-1/2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to ap...

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$160.39
$83.99
Save 48%
Perko 114 Intake Strainer Bronze MADE IN THE USA 0065DP7PLB
Save 54%
$181.75
$83.99

Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]

Perko

Perko 1-1/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1-1/4 Maximum Hull Thickness Inches:...

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$181.75
$83.99
Save 54%
Perko 58 ThruHull Fitting f Hose Chrome Plated Bronze MADE IN THE USA 0350004DPC
Save 58%
$66.39
$27.99

Perko 5/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]

Perko

Perko 5/8" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthread...

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$66.39
$27.99
Save 58%
Perko 1 ThruHull Fitting f Hose Chrome Plated Bronze MADE IN THE USA 0350006DPC
Save 47%
$113.32
$59.99

Perko 1" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350006DPC]

Perko

Perko 1" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded...

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$113.32
$59.99
Save 47%
Perko 2 ThruHull Fitting wPipe Thread Bronze MADE IN THE USA 0322009PLB
Save 50%
$209.01
$103.99

Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]

Perko

Perko 2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approx...

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$209.01
$103.99
Save 50%
Perko 118 ThruHull Fitting f Hose Chrome Plated Bronze Made in the USA 035006ADPC
Sold Out!
$113.32
$59.99

Perko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]

Perko

Perko 1-1/8" Thru-Hull Connection f/ use with Hose Chrome Plated BronzeFlange is machined to fit and grooved to retain bedding compound neck isthr...

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$113.32
$59.99
Sold Out!

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