Anaerobic Jar LAJ-B10 Labtron Anaerobic Jar is a 7 L pumping-type jar with a 3/25 R petri dish holder, designed for efficient anaerobic experiments. Made from PMMA material, it features excellent airtight performance, shock resistance and durability. It holds 3 stacks of 8 dishes ф9-10 cm and includes a colored stainless steel clamp, O-rings, a screw clamp for a positive seal and a gas supply coupling for easy connection.