Thru-Hull Fittings

Perko 1/2 Thru Hull Connection 0328Dp4Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed

2" NPS NPT Combo Bronze Thru Hull Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available

1" NPS NPT Combo XL Bronze Thru Hull Features: Extra long NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 2" Available with or without nut Stainless Steel models available

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

Seachoice Thru-Hull Conn-White Plas-5/8 - 18030 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.

Perko 1 Thru Hull Connection Bulk 0328Dp6Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed

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

Seachoice 4-Long Thru-Hull 3/4 -White Pla 18161 Extra long molded high impact white plastic with broad flangeDesigned for installation where thick transoms or side walls require up to 2-1/2" long threadNot recommended for use below the waterline.

1" NPS NPT Combo Bronze Thru Hull Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available

Seachoice Thru-Hull Conn-Black Plas-3/4 50-18151 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.

3/4" Bronze High Speed Thru-Hull Fitting w/Nut  Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze

Seachoice Thru Hull W/SS Cover-5/8 90Dg 50-18531 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.

Seachoice Thru Hull W/SS Cover-1 90 Deg 50-18551 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.

Attwood Marine Thru Hull 1-1/2" White 3875-3Molded of rugged plastic. Will not rust, corrode, discolor or contribute to electrolysis. Design eliminates hull streaking and allows countersinking wherever a flush fit is required. White.

Attwood Marine Thru Hull SS 1-1/2" 66551-3Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only. Lifetime warranty.

1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available

3/4" NPS NPT Combo Bronze Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available

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

Seachoice Thru-Hull-White Plas 1 1/8 18090 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.

2" Hose Barb Stainless Curved Hose Thru Hull Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection Sizes from 3/4" to 1-3/4" Barb UL Listed 647B