Monessen Vesper Outdoor Fireplace VOFB36-T | VOFB42-T Create a getaway outside your door. With stainless-steel construction, the Vesper ventless outdoor gas fireplace handles the elements. Place it anywhere with no venting or chimney needed. Get a big view of the flames with a 27″ tall opening either 36″ or 42″ wide. Pick from three real-life log sets accented by a traditional or herringbone brick interior.