- Low-maintenance, durable vinyl window with two operating sash 
- 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 
- Both top and bottom sash slide open vertically for optimal airflow and easier cleaning 
- Built with high-quality extruded vinyl (in your choice of white, desert sand or almond) 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 
- Matching fiberglass mesh screen to protect against insects 
- Block frame installs neatly without disturbing exterior siding, stucco, interior trim or paint; for new construction or replacement 
- Lifetime limited warranty on window; 10-year warranty on exterior paint