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Roto Angel Ventlock

Window opening control device (WOCD)

The Roto Angel Ventlock® – a window opening control device that has moved on dramatically from old-fashioned window guards and screens.

Angel Ventlocks® can be both low-cost and incredibly effective without detracting from the appearance and overall function of the window; they can be integrated easily by the window manufacturer and aftermarket retrofitting takes just a few minutes.

Learn more on Roto North America

Roto Angel Ventlock WOCD