PROLINE G2 Window Doors (Single or Overlapping Double) can be used to enable viewing of electronic equipment. Available in clear safety glass or polycarbonate, they include a standard door bar system for easy accessory attachment. The Smooth Glide latching system is made from high quality components and features an innovative timed latch action which ensures a solid door seal with a low closure force. Safety glass or polycarbonate (for food and beverage applications). Smooth Glide latching system for a smooth, reliable and repeatable door close over enclosure lifetime. Clear safety glass or smoke-grey tinted polycarbonate. Custom colors available. Polyester powder paint; RAL 7035 textured light gray standard.