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BOD BOTTLES CAPS Polyethylene
| For use with 10-4486 B.O.D. Bottles. Fits flared mouth of 300 mL bottles to prevent evaporation of the water seal during the five day incubation period. Foam insert is specially designed to fit into the cap and exert pressure on the stopper to hold it securely in place. It will not absorb or leak water if bottle is tilted. Tilt cap to remove. |
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