WHEATON® BOD Bottle Over-Cap

WHEATON® BOD Bottle Over-Cap

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This polyethylene over-cap, complete with a closed cell foam insert, snaps firmly over the flared mouth of WHEATON® BOD bottles.

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