Aluminum with Vertical Lifting Small Sliding Windows Flush Mount Double Hung Stand Serving Window for Food Truck, Vending Stand, Business Kitchen Use(WxH: 20x40in/51x102cm)

The multifunctional window features a locking function, allowing you to control the opening and closing position of the window. The recessed design ensures seamless integration of the window with the building, preventing rainwater from entering and providing you with protection. It offers natural lighting and ventilation, enhancing the functionality of the space and creating a clean, well-ventilated environment. Product Name: Mobile Home Window / Flush Window / Concession Stand Service Window Door / Food Truck Service Window / Shed Window Material: Aluminum Frame + Tempered Glass Tempered Glass: 5mm Thick Width: Adjustable Customizable Height: Adjustable Customizable Measurement Size: Based on Internal Dimensions Installation: Recessed Installation Package Content: 1 × Household Window Note: 1. Please wear gloves during installation to prevent scratches. 2. This product is manually measured, with an error range of 0 ~ 1cm (0 ~ 3/8 inch). 14647. Due to differences in lighting and screen settings, the color of the item may slightly differ from the picture. Two Frame Options This manually hinged window comes in two styles: a bottom-framed and a frameless bottom window.

• Dual-Track Sliding System：Our commercial folding double-hung windows feature a smooth dual-track sliding mechanism, allowing the sash to stop securely at any position for precise airflow control. In summer, these aluminum replacement windows promote natural ventilation, while in winter, they seal tightly to create an insulating barrier—delivering year-round comfort and smart environmental adaptability.
• Customizable Flexibility：Our cost-effective aluminum-Aluminum Concession Window come in multiple sizes and support full customization. The folding sliding windows, built with a durable aluminum frame and dual-track system, enable wide openings for maximum airflow—perfect for efficiently circulating fresh air through basements or enclosed spaces to significantly improve indoor air quality.
• Premium Materials：Constructed with a 1.77-inch-wide heavy-duty aluminum frame and 0.2-inch tempered glass, these Folding Concession Serving Window combine lightweight durability with superior strength. The weather-resistant sliding frame resists warping, while the tempered glass offers exceptional impact resistance, clarity, and scratch protection—ensuring long-lasting performance and natural lighting for indoor and outdoor spaces.
• Easy Installation：Each recessed double-hung service window includes pre-assembled tempered glass panels, a hardware kit, and step-by-step instructions. No specialized tools needed—just fit the aluminum frame into the opening, secure the top screws, and seal with foam adhesive. The lightweight design allows for quick three-step installation by a single person.
• Versatile Applications：From residential basements to retail shops, food stalls, farm sheds, and pet houses, our aluminum sliding windows enhance comfort in any setting. The recessed service window door excels in high-humidity basements, open garages, and more, offering weatherproof durability for ventilation, natural light, and protection in diverse environments.