SANOR

Flexible hoses, not of metal; couplings, joints and muffs, not of metal, for pipes; underground flexible pipes not of metal; pipe fittings and couplings not of metal; elbows and junctions, not of metal, for rigid pipes.

Penstock pipes not of metal; gutter pipes not of metal and drain pipes not of metal; water pipes not of metal; rigid pipes not of metal for building.