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Wonder Choice

Choice = Warm Edge Dual Heat Shield Argon Technology with foam filled frame

Compare to Okna Awning double pane glass,  Low E argon, foam filled frame 750 series

  • Exceptionally Low Air Infilitration Rating
  • Dual Pane - Double Strength - Heat Shield Glass
  • Heatseal® Spacer with Argon Fill
  • Beautiful Beveled Foam Insulated Frame and Sash

NFRC U-Factor: 0.25  Air Infiltration: 0.02  Solar Heat Gain: 0.27