Strybuc Single Action Window Opening Control Device Single/Double Hung Windows

Strybuc Single Action Window Opening Control Device Single/Double Hung Windows Limits Window Opening To 4" To Prevent Children From Falling Out This Window Opening Control Device (Wocd) Is For A Single Or Double Hung Wood, Vinyl Or Aluminum Windows. This Reverse Retrofit Angel Ventlock Is An Ideal Limit Control Device For Use In Aftermarket Applications. This Model Is Mounted To The Face Of The Window Frame Above The Sash To Restrict The Bottom Sash Opening. These Units Are Single Action, So Installing One On Each Side Of The Sash Ensures Compliance With The Code Astm F2090-2008 And 2010 And F2090-17. Select This Wocd By Measuring The Distance From The Face Of The Window Frame To The Face Of The Sash For This Model Is -5/64" To 0" Distance. Sold In Left And Right Hand Pairs With Screws And Instructions Included. Stainless Steel Pin & Spring MFG# 50-1356XDBW