Online Parts Store › 1-1/8" White Plastic Thru-Hull w/Broad Flange Image 1 of 1 1-1/8" White Plastic Thru-Hull w/Broad Flange $9.81 Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline. Add To Cart Added! Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline. You Might Also Like Seachoice 90-Degree Angled Thru-Hull Connector, White Finish, 0.75 in. $9.78 Seachoice 90 Degree Stainless Steel Covered Thru-Hull $17.04 Seachoice 90-Degree Thru-Hull Connector, Fits 1-1/2 in. ID Hose, 1-3/8 in. Max Hull $17.56 Seachoice Mega-Flow Dripless Thru Hull Fitting, 316 Stainless Steel, Fits 5/8 in. Hose, 1-1/2 in. Max. Hull $74.07 Seachoice 90 Degree Stainless Steel Covered Thru-Hull $14.56