FIELD: ventilation.
SUBSTANCE: device for arrangement of ventilation duct and grate for device for arrangement of ventilation duct relates to ventilation, mainly ventilation of living quarters, namely to devices for arrangement of ventilation duct. Invention objective is organization of a ventilation duct. Technical result is achieved in the invention due to the device for organizing a ventilation duct consisting of a pipe and an input grid attached to it, wherein the input grid consists of a housing in the form of a hollow cylinder, slats located inside the housing, and the pipe is made of a polymer porous material, wherein the diameter of the pipe is greater than the diameter of the ventilation duct.
EFFECT: technical result consists in efficient preparation of air coming from the street into the ventilation duct for its further filtration.
18 cl, 7 dwg
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