Primo Cast Iron Searing Grate For Oval LG 300 (1 Pc) PG00364Primo Cast Iron Searing Grate For Oval LG 300 (1 Pc) PG00364 Product Details Primo Half Moon Cast Iron Searing Grate for Oval LG 300 is a great addition to your Primo Junior. Sear meats and vegetables on this heavy duty cast iron grate that holds heat exceptionally well, made specifically for the Primo Large great for the BBQ enthusiast looking to expand their cooking potential. Features: Durable Heavy Duty Cast Iron Construction Manuals: Primo Grills