Durable aluminum alloy construction Built with a sturdy aluminum alloy frame and main structure for strength and longlasting performance Resistant to warping, rust, and wear, making it ideal for demanding environments Smooth and secure operation Features a glideaction sash that moves effortlessly, reducing strain during opening and closing Interlocking sash design creates a tight, weatherresistant seal for reliable protection against drafts and moisture Energyefficient design Insulated glass helps maintain indoor temperatures by keeping cold air outside and warm air inside Wool pile seals add an extra layer of thermal protection, improving overall energy efficiency and helping reduce heating and cooling costs Enhanced ventilation and comfort Includes a fullsize screen that can be easily removed when needed Screen allows fresh air to flow in while keeping insects and debris out Practical applications Ideal for residential homes seeking improved insulation and smooth window operation Wellsuited for office spaces requiring dependable ventilation and weather protection without compromising energy efficiency A choice for renovations or upgrades where durability and low maintenance are priorities Specifications Material: Aluminum alloy frame with insulated glass and wool pile seals Operation: Smoothgliding sash with secure interlock mechanism Ventilation: Removable fullsize screen for air circulation Performance: Designed to provide long service life in both residential and commercial installations