Lodge Pro-Logic P12SGR3 12″ Pre-Seasoned Cast Iron Square Grill Pan for $22.18. Shipping is free on orders over $49. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for reference. Alternatively, it is available at Walmart for $22.61 with in-store pickup. This 12″ pre-seasoned cast-iron square grill pan has raised ridges to allow fat to drain.