【Premium Food Truck Window 122 x 91 cm】Crafted from heavy-duty aluminium alloy with rust-resistant baking finish, this 122 x 91 cm concession window for food trucks ensures decade-long durability. Ideal for folding & sliding operations in mobile kitchens. 【Stainless Steel Pest-Proof Barrier】Features stainless steel mesh screens (0.6mm pore size) blocking insects, dust and pollutants. Certified food-safe material enables easy cleaning with high-pressure washers – critical for UK hygiene standards. 【Hydraulic Lift System - Effortless Opening】Dual hydraulic pistons raise the aluminum sliding window smoothly to 85° with one hand. Secure auto-lock holds position during service. No more struggling with manual latches! 【IP54 All-Weather Security Lock】Premium-grade locking mechanism protects your food truck concession window overnight. IP54-rated seals prevent rain ingress – essential for British weather. 【Multi-Vehicle Fit & Quick Install】Universal design fits barbecue trailers, franchise stalls & catering vans. Pre-drilled frames install in 15 mins. Boost customer experience with friction-free service!