DWK Life Sciences (Wheaton) Glass BOD Bottle with Glass Pennyhead Stopper, 60 ml, 01 to 36 Number Sequence . BOD Bottle, 60 ml, 43 dia x 115 mm H, Clear, Borosilicate Glass, Glass Pennyhead Stopper, 01 to 36 Number Sequence, Flared Mouth, Ideal for Incubating Diluted Samples of Sewage, Sewage Effluents, Polluted Waters and Industrial Wastes