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Wonder Saver

Saver = Warm Edge Dual Heat Shield Argon Technology

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

  • Air Tight Fusion Welded Frame
  • Dual Pane Heat Shield with Argon
  • Full Interlock with Triple Weather-Stripping
  • Precision Design for Style and Function

NFRC U-Factor: 0.28   Air Infiltration: 0.05  Solar Heat Gain: 0.30