Thermo Scientific™ HDPE cylindrical round mouth bottles are general-purpose containers. These containers are sold in bulk, unassembled and unprocessed for use in your own cleaning routine, and can be assembled with the caps purchased separately. Contains the same high-quality container components as our pre-assembled HDPE cylindrical glass bottles, but sold in bulk without caps. Optional matching bulk bottle caps sold separately (item number: 067 series) or other bottle caps with the same bottle mouth. Raw and uncertified grades.