NEXSTA High Ventilation Window Let’s ventilate effectively with our High Ventilation windows to make your living space more comfortable. FEATURES Structural (Wind load)500 Pa Deflection L/175 Water tightness75 Pa Air infiltrationGrade A-4(JIS) Open-Close testMore Than 30,000 Cycles VARIATION AND SIZE INFORMATION Loop Less Chain Type Operator Handle Type Loop Less Chain Type Operator Handle Type RELATED PRODUCT FOLDING VENTILATION BUTT HINGED Contact Us Catalog Download Showroom <<< Back to Product page