Thermo Scientific HDPE Cylinder Round is a general-purpose container. Bulk and unassembled. Unprocessed, ready for your own cleaning procedure and assembly with caps purchased separately. The same high quality container component as our assembled HDPE cylinder rounds, but sold in bulk, without a cap. Pair it up with the matching bulk cap (Cat. 067-series) sold separately or another cap of the same finish. Unprocessed and uncertified.