23L (just over 6 gallons) glass carboy. At $30 shipped this is a great deal!
Paklab Glass Carboy 23 Liter, 1.9-Pound Box - $30 Shipped!
This has been a Top Find for quite some time. I own two of these myself and they are great!
Related: Amazon, Amazon Free Ship Add-Ons, Fermentation, Fermenters, Top Finds, Great Deals