Tilt & Turn UPVC HIGH ENERGY EFFICIENT CASEMENT WINDOW 37.5″x23.5″ Made in USA
Tilt & Turn HIGH ENERGY EFFICIENT. Double glaze : 0.02 or better Double glaze : 0.58 or better. Acoustic Insulation: Double glaze: Rw = 32dB (VG4-4/16/4). Glazing : Double glaze : Standard option: Two-pane set – 4/24Ar/4mm Low-E.