Cast bronze. Flange is machined to fit hull and grooved to retain bedding
compound. Neck is threaded to approximately 3/8" from flange. Comes with flange
nut. Pipe sizes and dimensions are listed on product specs chart.
Perko Thru Hull Specs
Model#
Thread Size
Max Hull Thickness
Flange Diameter
0322DP4PLB
1/2"
1 3/8"
1 1/2"
0322DP5PLB
3/4"
1 1/2"
1 7/8"
0322DP6PLB
1"
1 7/8"
2 3/16"
0322DP7PLB
1 1/4"
2"
2 3/4"
0322DP8PLB
1 1/2"
2 1/4"
3"
0322DP9PLB
2"
2 3/8"
3 5/8"
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