The tank is made of SAN plastic, which is BPA free and used in most water tanks for coffee machines. While the minimum fill amount for brewing is 500mL, the brewer will also show an error if there is not enough water.

• BPA-Free Plastic
• Capacity: 1800mL
• Minimum Water Needed for Brewing: 500mL
• Dimensions: 11cm Diameter x 29cm Height
• Hand Wash Only