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Perko Thru Hulls for hose feature a hose barb, and machined connection flange to ensure better fit against your boat's hull. Flanges are also grooved to retain bedding compound. Choose chrome or cast bronze. Nut included.
Note: Hose barb thru hulls are not recommended for use below the waterline. See size table below for flange dimensions, mounting hole diameter, and hull thickness information.
Size | Mounting Hole Diameter | Max. Hull Thickness | O.D. Flange |
---|---|---|---|
5/8 inch | 13/16 inch | 1-1/16 inch | 1-1/2 inch |
3/4 inch | 1 inch | 1-5/8 inch | 1-7/8 inch |
1 inch | 1-5/16 inch | 1-3/4 inch | 2-1/4 inch |
1-1/8 inch | 1-5/16 inch | 1-3/4 inch | 2-1/4 inch |
1-1/4 inch | 1-5/8 inch | 1-7/8 inch | 2-3/4 inch |
1-1/2 inch | 1-7/8 inch | 1-7/8 inch | 3-1/8 inch |