A770 (RAL) - Grid core grille

RAL Painted
A770 (RAL) - Grid core grille
The grille is used for the exhaust of large quantities of air with minimal pressure loss in facilities such as offices, warehouses, ...
/en/documents/web_010/?a770-ral-product-information-sheet-67889.pdf
/en/documents/web_020/?a770-ral-technical-information-sheet-67890.pdf
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