Grand Canyon Vent Free Split Oak Gas Logs Only VFSOGrand Canyon VFSO Vent Free Split Oak Gas Logs Only provides an ultra realistic gas log set with your favorite vent free fire feature as part of the perfect living space. The Split Oak logs are cast from real logs found in real landscapes, then hand painted to highlight the most beautiful aspects of this species of wood. This specific log set was formed with the natural terrain of Northern Arizona in mind. The real logs were gathered by Grand Canyon's