With a propane fuel and a super-efficient, demi-dome design, Pi Prime preheats in just 15 minutes and turns out piping-hot pizza in as little as 90 seconds. Pi Prime's front-facing temperature control lets you adjust your flame and heat levels. Pi Prime's cordierite stone cooking surface withstands high temperatures, evenly distributes heat, and releases steam, ensuring a crispy crust with a wide-mouth panoramic opening makes it easy to keep an eye on your pizza.