Louver

A louver (American English) or louvre (British English; see spelling differences) is a window blind or shutter with horizontal slats that are angled to admit light and air, but to keep out rain and direct sunshine. The angle of the slats may be adjustable, usually in blinds and windows, or fixed.

For other uses, see Louvre (disambiguation).
"Louvre (window)" redirects here. For windows composed of louvres, see Louvre window.

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