- One large vinyl window with a smaller vinyl single-hung window on either side, angled to extend a room; comes with a wood head and seat board 
- SunResist Low-E insulating glass with argon provides more protection against heat gain by blocking harmful infrared rays, as well as providing greater energy savings 
- Top sash is stationary; bottom sash slides open vertically 
- Built with high-quality extruded white vinyl that won't chip or peel and resists fading, mildew and condensation 
- Block and tackle balance system supports the vertical operation of the sash in single-hung and double-hung styles, so the sash will not slam shut 
- Weatherstripping creates a tight seal against outdoor elements 
- Optional tilt assist feature lets you tilt the sash in for convenient cleaning from inside your home 
- Lifetime limited warranty on window; 10-year warranty on exterior finish