Improved siphonic box, essentially characterized by a hollow parallelepiped body, with its maximum vertical dimension and with a recess next to its open upper base, determining L-shaped lateral recesses in conjugation with the structure of the work to which will be coupled, perceiving in the same part the seat of an independent de-built rectangular partition, retained by vertical guides on the opposite side faces and by a rectangular projection perpendicular to its plane, resting on the horizontal edges of the recess, appearing on the face main corresponding to said application a tubular drain protrusion, and in the upper part of the structure a cover in the form of a rectangular grid, in removable arrangement and supported on a projection derived from the internal faces of the box. (Machine-translation by Google Translate, not legally binding)
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