Ventilation grilles
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Frame 40×25
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Built-in louver grille GE-30-50 (instead of double-glazed windows)
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Outdoor grille NF-45-50 with filter
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Radial two-row grille 2-R-30-60-OTS
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Perforated grating P-30-30 East
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MVM – Stamped gratings
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Non-adjustable overhead grille HP-OTS
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Flush-mounted grille LHC-30-40, LHC-15-30-40
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External overlay grille SGE
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Grids with perforation P-30-05 figured