Choose this insert if your round fire pit opening measures 29–32 inches across the inside. The 28 in. Phoenix Round Smokeless Fire Pit Insert upgrades an existing brick or block surround with a cleaner, hotter burn and no complicated installation. Confirm the Fit Before Ordering Required inside opening: 29–32 in. round. Installation: Drops into an existing brick or block surround with no tools required. Also works freestanding: Place it on a suitable non-combustible surface. Please note: Bricks, blocks, and the spark screen are not included. Shipping: Free standard shipping to the contiguous United States. Warranty: Three-year limited warranty. Why Choose a Phoenix Smokeless Insert? Less smoke around your guests: Double-wall construction channels preheated air to secondary combustion ports that help burn smoke before it rises. More efficient fires: Elevated airflow supports hotter, more complete combustion so you get more heat from your wood. Fast backyard upgrade: Convert an existing fire pit surround without rebuilding it. Built for repeat use: Heavy-duty steel construction is made for year-round outdoor gatherings. Need a different shape or opening size? Compare all available Phoenix smokeless fire pit inserts. California Residents: WARNING – Cancer and Reproductive Harm. www.P65Warnings.ca.gov