Outdoor Gas Fire Bowl The BOLA by Marquis is the perfect way to enhance the enjoyment of any outdoor space. Ideally suited for use on a wood deck or patio, the BOLA comes complete with lava rock and is fuelled by either natural gas or propane. Decorate your fire bowl with your choice of decorative stones, five different colors of crushed glass media or a log set. The outdoor fire bowls and pits can be installed on top of wood decks or patios, 24″ clearance to side walls. Allow 7 feet clearance from top of fire bowl or pit to any ceiling.