300 SERIES LH LOWER SASH GUI

300 SERIES LH LOWER SASH GUI

Item # BB 88-17001

  • Plastic
  • White
  • Handed
  • Non-reversible
Manufacturers Item #74-608

This is a window balance top sash guide. There is a specific size spec for this to get the proper replacement. Window brand name or age does not determine replacement.
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