Extremely versatile, this dual sliding patio door opens from either side and is energy efficient for extreme climates. It slides easily and comes with a dual locking screen door and security lock on both doors. Maintenance-free internal blinds. Corrosion, rust and dent resistant. These mini blinds are incorporated into our factory sealed units. Once sealed these units are totally dust and maintenance free, offering a high level of control, convenience, privacy and durability while preserving the charm and clean appearance of your home's interior.