Wei Luke ventilation window

Ventilation window Features natural ventilation design, bringing a healthy lifestyle ● LOW-E energy-saving double toughened safety glass ● open the way in suspension, good ventilation, easy to clean with ventilation function ● butterfly striker lock hinge ● window frames and sash install two seals, insulation and sealing performance better natural ventilation with ventilation function hit butterfly lock hinge, enabling both continuous ventilation and keeping windows locked, secure and maintain good indoor ventilation. Sash flipped 160 degrees, can be cleaned from the interior chamber outside of the glass, sash can be flipped fixed position in the gondola technical parameters Insulation resistance: 1.5 W / (m2.K) Water tightness: 1400 Pa tightness: fifth grade insulation sex: 34dB wind pressure: Eighth grade material: high-quality North matsuzaka, aluminum and glass: Double hollow toughened safety glass color: wood color