FIELD: process engineering.
SUBSTANCE: invention relates to aquarian pisciculture and may be used in aquarian filtration systems. Proposed filtration cartridge comprises filtration element with top face, base face and opposite side faces. Top face and base face are arranged between opposite side faces. At least, one third part of base face is rounded. In compliance with second version, cartridge comprises first and second filter walls jointed together at top seam and base seam.Top seam is located horizontally in placing cartridge inside aquarian filter. At least, one third of base seam is out of level with top seam.
EFFECT: ease of emptying in servicing.
16 cl, 18 dwg, 1 tbl
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