Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings
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![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]](//marineandrvsupply.com/cdn/shop/files/75222XL.jpg?v=1722485364&width=533)
5% offGROCOGROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications:...
$37.99 USD $40.00 USD$37.99 USD$37.99 USD $40.00 USD14 in stock -
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]](//marineandrvsupply.com/cdn/shop/files/75228XL.jpg?v=1722485415&width=533)
18% offGROCOGROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications:...
$68.99 USD $85.00 USD$68.99 USD$68.99 USD $85.00 USDOnly 6 units left -
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]](//marineandrvsupply.com/cdn/shop/files/75227XL.jpg?v=1722485407&width=533)
15% offGROCOGROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications:...
$57.99 USD $69.00 USD$57.99 USD$57.99 USD $69.00 USD13 in stock -
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]](//marineandrvsupply.com/cdn/shop/files/75225XL.jpg?v=1722485389&width=533)
4% offGROCOGROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications:...
$38.99 USD $41.00 USD$38.99 USD$38.99 USD $41.00 USD14 in stock -
![GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]](//marineandrvsupply.com/cdn/shop/files/75221XL.jpg?v=1722485356&width=533)
19% offGROCOGROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]
Bronze Hose Barb Thru-Hull Fitting - 2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size:...
$80.99 USD $101.00 USD$80.99 USD$80.99 USD $101.00 USDOnly 4 units left -
![GROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]](//marineandrvsupply.com/cdn/shop/files/75335XL.jpg?v=1722486081&width=533)
26% offGROCOGROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]
2-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600...
$196.99 USD $268.00 USD$196.99 USD$196.99 USD $268.00 USDOnly 4 units left -
![GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]](//marineandrvsupply.com/cdn/shop/files/74302XL.jpg?v=1722481659&width=533)
14% offGROCOGROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]
1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2"...
$56.99 USD $67.00 USD$56.99 USD$56.99 USD $67.00 USDOnly 7 units left -
![Perko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]](//marineandrvsupply.com/cdn/shop/files/39189XL.jpg?v=1722401745&width=533)
40% offPerkoPerko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]
Perko 1-1/8" Thru-Hull Connection f/ use with Hose Chrome Plated BronzeFlange is machined to fit and grooved to retain bedding...
$66.99 USD $113.32 USD$66.99 USD$66.99 USD $113.32 USDOnly 4 units left -
![Perko 1-1/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP7PLB]](//marineandrvsupply.com/cdn/shop/files/39170XL.jpg?v=1722401595&width=533)
37% offPerkoPerko 1-1/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP7PLB]
Perko 1-1/4" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis...
$76.99 USD $122.88 USD$76.99 USD$76.99 USD $122.88 USDOnly 5 units left -
![Perko 5/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]](//marineandrvsupply.com/cdn/shop/files/39179XL.jpg?v=1722401670&width=533)
44% offPerkoPerko 5/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]
Perko 5/8" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound...
$36.99 USD $66.39 USD$36.99 USD$36.99 USD $66.39 USDOnly 6 units left -
![Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]](//marineandrvsupply.com/cdn/shop/files/39169XL.jpg?v=1722401587&width=533)
38% offPerkoPerko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]
Perko 1" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis...
$53.99 USD $87.56 USD$53.99 USD$53.99 USD $87.56 USDOnly 9 units left -
![Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Made in the USA [0350008DPP]](//marineandrvsupply.com/cdn/shop/files/39188XL.jpg?v=1722401737&width=533)
46% offPerkoPerko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Made in the USA [0350008DPP]
Perko 1-1/2" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck...
$87.99 USD $164.41 USD$87.99 USD$87.99 USD $164.41 USDOnly 8 units left
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]](http://marineandrvsupply.com/cdn/shop/files/75222XL.jpg?v=1722485364&width=533)
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]](http://marineandrvsupply.com/cdn/shop/files/75228XL.jpg?v=1722485415&width=533)
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]](http://marineandrvsupply.com/cdn/shop/files/75227XL.jpg?v=1722485407&width=533)
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]](http://marineandrvsupply.com/cdn/shop/files/75225XL.jpg?v=1722485389&width=533)
![GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]](http://marineandrvsupply.com/cdn/shop/files/75221XL.jpg?v=1722485356&width=533)
![GROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]](http://marineandrvsupply.com/cdn/shop/files/75335XL.jpg?v=1722486081&width=533)
![GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]](http://marineandrvsupply.com/cdn/shop/files/74302XL.jpg?v=1722481659&width=533)
![Perko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]](http://marineandrvsupply.com/cdn/shop/files/39189XL.jpg?v=1722401745&width=533)
![Perko 1-1/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP7PLB]](http://marineandrvsupply.com/cdn/shop/files/39170XL.jpg?v=1722401595&width=533)
![Perko 5/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]](http://marineandrvsupply.com/cdn/shop/files/39179XL.jpg?v=1722401670&width=533)
![Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]](http://marineandrvsupply.com/cdn/shop/files/39169XL.jpg?v=1722401587&width=533)
![Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Made in the USA [0350008DPP]](http://marineandrvsupply.com/cdn/shop/files/39188XL.jpg?v=1722401737&width=533)
