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![GROCO 1-1\/2" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/33407/45557/111453XL__19771.1762979536.jpg?c=1 "GROCO 1-1\/2\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]")
GROCO 1-1/2" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1500-W]
GROCODEAN-111453$78.99RRP: $123.001-1/2" Slotted Hi Speed Thru-Hull with NutFeatures:1-1/2" NPSM / NPT combination threadC83600 BronzeWith NutSlotted -
![GROCO 1-1\/4" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1250-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/33406/45556/111452XL__27559.1762979534.jpg?c=1 "GROCO 1-1\/4\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1250-W]")
GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]
GROCODEAN-111452$62.99RRP: $98.001-1/4" Slotted Hi Speed Thru-Hull with NutFeatures:1-1/4" NPSM / NPT combination threadC83600 BronzeWith NutSlotted -
![GROCO 1" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/33405/45555/111451XL__94071.1762979531.jpg?c=1 "GROCO 1\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]")
GROCO 1" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1000-W]
GROCODEAN-111451$36.99RRP: $57.001" Slotted Hi Speed Thru-Hull with NutFeatures:1" NPSM / NPT combination threadC83600 BronzeWith NutSlotted -
![GROCO 3\/4" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-750-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/33404/45554/111450XL__37750.1762979529.jpg?c=1 "GROCO 3\/4\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-750-W]")
GROCO 3/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-750-W]
GROCODEAN-111450$25.99RRP: $40.003/4" Slotted Hi Speed Thru-Hull with NutFeatures:3/4" NPSM / NPT combination threadC83600 BronzeWith NutSlotted -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1\/2"-2" [930003SS]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/31671/43088/109272XL__07559.1750909845.jpg?c=1 "Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1\/2\"-2\" [930003SS]")
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2" [930003SS]
Forespar Performance ProductsDEAN-109272$15.99RRP: $19.99Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications:Hose Size: 2"Material: PlasticBox Dimensions: 3"H x 3"W x 3"L WT: 0.2 lbsBrochure... -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1\/4" [930002SS]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/31670/43087/109271XL__80178.1750909843.jpg?c=1 "Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1\"-1-1\/4\" [930002SS]")
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4" [930002SS]
Forespar Performance ProductsDEAN-109271$13.99RRP: $19.99Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications:Hose Size: 1-1/4"Material: PlasticBox Dimensions: 2"H x 2"W x 3"L WT: 0.2... -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1\/2"-3\/4" [930001SS]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/31669/43086/109270XL__64201.1750909841.jpg?c=1 "Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1\/2\"-3\/4\" [930001SS]")
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]
Forespar Performance ProductsDEAN-109270$11.99RRP: $19.99Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications:Hose Size: 3/4"Material: PlasticBox Dimensions: 2"H x 2"W x 3"L WT: 0.02 lbsBrochure... -
![Whitecap 1-1\/2" Duplex Stainless Steel 90 Degree Thru-Hull Fitting [6581X]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/31296/42475/108910XL__14533.1746747861.jpg?c=1 "Whitecap 1-1\/2\" Duplex Stainless Steel 90 Degree Thru-Hull Fitting [6581X]")
![Whitecap 1-1\/2" Duplex Stainless Steel 90 Degree Thru-Hull Fitting [6581X]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/31296/42476/108910BXL__49994.1746747862.jpg?c=1 "Whitecap 1-1\/2\" Duplex Stainless Steel 90 Degree Thru-Hull Fitting [6581X]")
Whitecap 1-1/2" Duplex Stainless Steel 90 Degree Thru-Hull Fitting [6581X]
WhitecapDEAN-108910$84.99RRP: $112.491-1/2" Duplex Stainless Steel 90 Degree Thru-Hull FittingSpecifications:Hose Size: 1-1/2"Dimensions: Flange O.D.: 2-3/8" Thread Length: 1-5/8" Barb Length: 1-1/2" Overall Length: 4" Cut Out: 1-1/2"Max. Hull Thickness: 1-1/4"Stainless Steel -
![Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1\/8" Inner Diameter [3879-3]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/30746/41707/98109XL__49861.1742584728.jpg?c=1 "Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1\/8\" Inner Diameter [3879-3]")
Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3]
Attwood MarineDEAN-98109$11.99RRP: $16.19White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter90° Thru-Hulls are ideal for tight installations, such as livewell overflow drains. The angled design also eliminates hose kinking.Specifications:Fits Hose Size: (inch) 1-1/8"inner... -
![Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner Diameter [66542-3]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/30357/40873/98084XL__25361.1739462688.jpg?c=1 "Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1\" Inner Diameter [66542-3]")
Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner Diameter [66542-3]
Attwood MarineDEAN-98084$25.99RRP: $35.16Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless Construction:Cast... -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3\/4" Inner Diameter [66547-3]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/30119/40480/98089XL__78675.1737056380.jpg?c=1 "Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3\/4\" Inner Diameter [66547-3]")
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]
Attwood MarineDEAN-98089$22.99RRP: $30.39Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless... -
![GROCO 2-1\/2" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/28496/38288/103895XL__41758.1727365163.jpg?c=1 "GROCO 2-1\/2\" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]")
![GROCO 2-1\/2" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/28496/38289/103895BXL__50101.1727365164.jpg?c=1 "GROCO 2-1\/2\" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]")
GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]
GROCODEAN-103895$139.99RRP: $218.002-1/2" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 2-1/2" GROCO thru-hull fitting than conventional thru-hulls.Features:NPSM / NPT combination threadC83600 BronzeUL listed 647BIncludes nut BSPP and stainless steel...