FIELD: filtering devices.
SUBSTANCE: invention relates to a hollow filter element and a ring-shaped closed filtration element, in particular, for gas filtration. Hollow filter element has a filter medium made in the form of a hollow part, which is closed on the end side by an end plate, wherein on the end plate there is a positioning element interacting with the bar located on the side of the housing, which is formed to receive with geometrical closure of the plate in two different transverse directions, and positioning recess is formed in the positioning element.
EFFECT: invention provides creation of hollow filter element by simple structural means so that reliable assembly and arrangement in the filter housing is provided.
10 cl, 8 dwg
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