Presto 8-Quart Aluminum Pressure Cooker for $24.99. Here is a screenshot for your reference.  Shipping is free on orders over $25.  If needed, use this Filler Tool to pad the order for free shipping.  This pressure cooker features a heavy-duty lid that locks down during cooking and inner sealing ring that keeps steam in, along with a pop-up pressure indicator.  Most places have it for about $39 or more.