FIELD: sanitary ware.
SUBSTANCE: invention relates to the field of plumbing. Drain device comprises a hollow tubular body having a first hollow connector and a second hollow connector detachably connected to each other. In connection, first and second hollow connectors form a drain device. First connector comprises air gap formed by multiple elongated windows arranged at least in two rows containing a grid structure, which is formed by a plurality of substantially horizontal and a plurality of substantially vertical elements. Points of intersection of, in fact, horizontal and, in fact, vertical elements form angles of each window.
EFFECT: improved drainage device is provided.
14 cl, 4 dwg
