Pella 250 Series products offer innovative and enhanced security and privacy features for more peace of mind. Made with high-quality, easy-care vinyl, these windows and patio doors deliver exceptional energy performance and Pella craftsmanship.
- Pella 250 Series vinyl single-hung windows with exclusive pre-installed Hidden Screen deliver exceptional energy performance and craftsmanship 
- Dual-pane SunDefenseTM Low-E insulating glass with Argon allows in light while helping to block the heat of the sun, keeping homes cooler in the summer and warmer in the winter 
- The bottom sash slides up and down to provide ventilation with a stationary top sash 
- Pella’s vinyl uses a fade-resistant formula that is performance-tested for excellent weathering, durability and color retention 
- A cam-action lock is made of metal and provides long-lasting performance 
- A cam action lock reengages the sashes and pulls them against the weatherstripping to ensure a superior weathertight seal and fewer drafts and leaks 
- Exclusive, pre-installed Hidden Screen appears when the window is opened and folds away when the window is closed. 
- Nail Fin installation makes for easy instillation in new construction applications 
- Backed by Pella’s limited lifetime warranty, one of the strongest warranties in the industry