The Catalyst fermentation system is an innovative piece of home brewing equipment that simplifies the fermentation process, making it easier than ever to make great beer at home. Features only seen in high-end, professional brewing equipment are integrated into a compact home brewing system that is both functional and elegant. Using BPA free, food grade Tritan has provided the clarity and benefits of glass, along with the freedom of design to reinvent the home brew fermenter. The shape and revolutionary Trub Trap results in less risk of contamination and oxidation, less product waste and a much more efficient and pleasant home brew experience.