Item # M-5251, Louvre 4" W/Collar On Orr & Orr, Inc.

The RLS series Louvres are especially adaptable to a wide range of industrial, manufacturing, and building construction uses. The grille face - which is tooled and die-stamped for superior strength and durability - serves a dual purpose as a water deflector and an insect shield. The width of the opening between grills is no larger than 16 x 18 commercial screening, offering a maximum of ventilation and protection. Available with Standard Collar or with six tabs for thin wall installation

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