1- Egress Tilt &Turn UPVC High Energy Efficient Windows 23.5″x47.5″ MADE in USA
Tilt & Turn HIGH ENERGY EFFICIENT. Double glaze : 0.02 or betterDouble glaze : 0.58 or better. FEATURING: 1. Acoustic Insulation: Dual glaze: Rw = 28dB (VG4-4/24/4). Glazing : Dual glaze : Standard option: Two-pane set 4/24Ar/4mm ?.