This natural gas conversion kit includes everything you need to convert the Real Flame Riverside 48" (590LP) or 58" (592LP) oval propane fire pit from liquid propane to natural gas. Includes natural gas hose with quick connection socket, sleeve and orifice. This natural gas conversion kit is CSA certified and weather and rust resistant. Installation must be done by a certified natural gas technician. At Real Flame Company, we are committed to providing beautifully designed, safe, high-quality indoor electric fireplaces, outdoor gas fire pits and accessories, and outdoor furniture.