Extremely versatile, this sliding patio door is energy efficient and stands up to extreme climates. It comes with a screen door and security lock. Lowe and argon-filled glass provide energy savings for your home. PVC welded frame and sash for greater strength and stability Full perimeter, heavy-duty weatherstripping Metal reinforced stiles Lowe argon-filled glass for energy efficiency Integrated pre-punched nailing fin, Mortise lock and screen included From an exterior view, the left panel slides right