Aluminum Louvered Pergola with Adjustable Roof, 10' x 13' Hardtop Gazebo for Patio, Deck, Garden, Yard, BeachAdjustable Louvred Roof: With two louvre roofs that can be adjusted independently from 0 90, you can adjust the angle of the louvres with hands crank to choose the sunlight that suits you. Hidden Drainage System: The concealed drainage system facilitates efficient water drainage, effectively minimizing water buildup on the roof and enhancing the stability of the metal pergola. All Aluminum Frame: Made of aluminum roof and structure, the deck pergola