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  • LITTLE TOT WINDOW DEVICE
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• The Mercer LTD is tested to meet ASTM

F2090 – 2008 and 2010.

• Factory installation insures proper and precise placement of the window opening control device per ASTM F2090 – 2008 and 2010.

• Mercer windows featuring the LTD, provide a means for the window, when opened in an initial operation to open less than 4 inches.

• Mercer windows with the LTD provide a quick release mechanism for emergency egress.

• Mercer windows with the LTD provide the means to mitigate the hazard of children falling from windows.

Mercer Window’s 800, 810, 820, and 830 Series slider and single hung windows with the Little Tot Window Opening Control Device (LTD) offer added protection against tragic toddler falls through open windows.

*ASTM Certified under Angel Vent Lock