The Admiral Craft H3-SP60C Hyperion3™ Pot/Pan Cover features a 17-1/2" diameter design, making it compatible with both 40 qt. and 60 qt. cookware. Constructed from durable 3003 aluminum, this cover ensures excellent heat retention and distribution. It is NSF certified, guaranteeing it meets strict public health standards. Ideal for professional kitchens, this lid enhances cooking efficiency while providing a secure fit for your pots and pans.