What lids/corks go with this?

This 3 gallon glass Italian carboy has a 30 mm cork neck finish and is designed to be used with tapered corks sized for a 30 mm opening. The 17 natural tapered cork, SKU 600093, is compatible and can be used with this carboy. For more information, or if you have additional questions, please reach out to our Customer Support team at online@tricorbraun.com or give us a call at 855-754-3728.