Features: * Excellent airtight performance, avoiding any undue leakage * Smooth surface, shock and impact resistant material * Jar and lid are both transparent, sealing between lid and jar consists of an excellent quality rubber ring * Strong jar-lid-clamp construction, guarantee the overall airtight performance Ordering: Product----Cat. No. 1.5L AG Anaerobic Jar----AG015 2.5L AG Anaerobic Jar----AG025 3.5L AG Anaerobic Jar----AG035