Polyethylene BOD Bottle OverCap for 300 mL BOD Bottle, with Closed-cell Foam Inserts, 50/CS, Wheaton, 227723

DWK® Wheaton® Polyethylene BOD Bottle OverCap for 300 mL BOD Bottle, with Closed-cell Foam Inserts, 50/CS, Wheaton, 227723

Features:

• Polyethylene over-cap prevents evaporation of water seal during five-day BOD incubation period
• Includes foam insert to exert pressure on bottle stopper to hold it securely in place during longer incubation periods