Series 671 Impact and Blast Double Hung Window
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Series 671 is the impact and blast version of our popular 670 double hung window. This window product is approved for use in High Velocity Hurricane Zone (HVHZ) as large missile impact resistant.
- Thermal barrier in vent and frame - Enhances energy saving potential and improves U-Value performance
- Weather-stripped sash and sill - Provides superior air and water performance
- Continuous interlock meeting rails - Improves air infiltration resistance
- Automatic sash locks available - Increased convenience in operation
- Anodized and painted finishes available - Unlimited options to answer economic and aesthetic concerns
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About the Brand
EFCO Corporation, is a leading manufacturer of architectural aluminum window, curtain wall, storefront and entrance systems for commercial architectural applications. Headquartered in Monett, Missouri, our mission is to be the most trusted supplier in commercial architecture. We seek to provide customers with the highest level of quality, innovation, value, and service.
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