The 881 LP steel louver plates are made of steel and are pre-punched with mounting holes. Louvers are 4” wide and include a screen protection to prevent any insect’s intrusions. A high quality, robotically poured-in-place, seamless gasket ensures a complete and durable seal. Finish is ANSI/ASA 61 gray heat fused powder paint, electro-statically applied on a pretreated base.
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