The series 6600 is a 3-7/8" deep fixed window designed for a wide range of commercial, multi-family, education and office applications. The 6600 utilizes a thermal strut thermal break, providing enhanced thermal performance and a dualfinish capability. Offered with a complete line of subframes, mullions and architectural sills, the 6600 window provides a flexible solution for your fenestration needs. AAMA RATING ^ * Performance dependent on glass selection. Please contact your EFCO sales rep for project specific performance. STANDARD FEATURES • System depth: 3-7/8" • Mulls to products of the same system depth • Nominal wall thickness: 0.078" • Thermal break: struts • Anodized or painted finishes available • Glass thickness range: 1" - 2" • Panning/Trim: Available • Subframe/Receptor system: Available • Architectural sills: Available • Mullions: ■ 3 piece mullions ■ Stacking mullions 1000 COUNTY RD • MONETT, MO 65708 • 800.221.4169 • efcocorp.com Disclaimer: Info subject to change at any time