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Model 671
Upward Coiling Grille Model 671 offers a choice of curtain materials to meet the aesthetic and functional requirements of almost any environment. This security grille is fabricated of galvanized steel. Stainless steel and fire-retardant polycarbonate inserts are also options. The standard curtain pattern for this security grilleĀ is a straight lattice configuration, but you can opt for a staggered brick design.