Blue Plastic Carboy Drainer - Drying Rack for Glass & PET CarboysThe Blue Carboy Drainer is a simple but effective tool for maintaining sanitary fermentation equipment. This durable plastic stand holds your carboy upside down, allowing it to drain and air dry completely after cleaning and sanitizing. By preventing water from pooling at the bottom, it reduces the risk of mold growth and ensures your fermenter is ready for immediate use. Compatible with most standard 3, 5, 6, and 6. 5 gallon glass and plastic