Online Parts Store › Seachoice Chrome Plated Plastic Thru-Hull Image 1 of 1 Seachoice Chrome Plated Plastic Thru-Hull $12.24 Use in place of stainless steel thru-hulls. Not recommended for use below the waterline. Add To Cart Added! Use in place of stainless steel thru-hulls. Not recommended for use below the waterline. You Might Also Like Seachoice Thru-Hull Connector w/ Broad Flange, Fits 3/4 In. ID Hose, 1-1/4 In. Max Hull $6.22 1/2" White Plastic Thru-Hull w/Broad Flange $6.70 Seachoice 90-Degree Thru-Hull Connector, Fits 1-1/8 In. ID Hose, 1-3/8 In. Max Hull $20.78 Seachoice 90 Degree Stainless Steel Covered Thru-Hull $14.56 Seachoice Mega-Flow Dripless Thru Hull Fitting, 316 Stainless Steel, Fits 5/8 in. Hose, 1-1/2 in. Max. Hull $74.07