Andersen Keeper Spacer in White Color

• Works with Perma-Shield Narroline Double-Hung (non-tilt) windows manufactured from 1968 to Present.
• Works with 400 Series Tilt-Wash Double-Hung windows manufactured from 1994 to Present.
• This spacer fits under a narroline window composite keeper to raise it up and allow the lock to engage.
• Under normal conditions with proper installation this spacer is not needed.