Marvin Windows and Doors now offers a factory-installed Window Opening Control Device on its Ultimate Casement line of crank-out windows to meet the ASTM F2090-10 fall-protection standard. It limits the window opening to 4 in. unless overridden in a two-step process. The limiter re-sets automatically each time the window is closed. The device already is offered (field-applied) on its double-hung products, but is now expanding to casements.