DESC: All units features a dependable piezo crystal ignition system that lights the flame evenly for consistent temperatures across the entire grill surface. They're made of 100% 18-9 polished stainless steel for the ultimate in corrosion resistance and use a standard disposable 1-lb propane canister or your onboard LPF or CNG system.. Heat to 7500 BTUs. The Catalina and Newport grills can use single or double table mounts. The Monterey requires the "Heavy Duty" mounting hardware. And for extra security while under way, the lid locks securely in place.