Marine Plumbing & Ventilation - Thru-Hull Fittings

Attwood White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter

Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter

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

GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1"

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

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

GROCO 1" 90 Degree Hose Thru-Hull Fitting [HTHC-1000-S]

GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut

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

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

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

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2"

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

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

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

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4"

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

Perko Thru-Hull Scupper f/Mounting Through Transom

Attwood Plastic Thru-Hull Fitting - 1-1/2" - White

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

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

Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA