- Fittings & Hose
- AN Unions, Couplers & Reducer Fittings
- Earl's Ano-Tuff AN Male to AN Male O-Ring Port Union & Reducer Fittings
End Fittings for Custom Plumbing Projects
Earl's Ano-Tuff AN Male to AN Male O-Ring Port Union Fittings are precision machined from aluminum with a distinctive, bright dipped black, military-spec hard anodizing. The uniquely developed hard anodizing process adds superior wear and corrosion resistance to aluminum at a reasonable price. The Ano-Tuff coating penetrates the aluminum to create a surface that lasts twice as long as traditional anodizing finishes.
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