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Very thick-walled and heavy through-hull made from seawater-proof marine bronze (CuSn5Zn5Pb5). Attached to the hull using countersunk fastener holes, drilled through the strong flange. Molded from marine bronze in a single piece, tumbled...
Standard length through hull fitting. Made from saltwater resistant bronze alloy CC491K (CuSn5Zn5Pb5-C). With standard threads. The optional strainers are matched exactly to the diameter of the outer flange.