Charlie Plugs Drosophila Plugs
Test/Sample Tube Closures
These plugs are made from recycled polyester.
- Completely made in the USA
- Perfect fit for narrow vials, wide vials and drosophila bottles
- Polyester does not retain moisture like cellulose acetate in humid
- Leaves no clinging fibers
- Does not break like cellulose acetate
Polyester is stronger, allowing more breathability and mite protection than cellulose acetate. Charlie-plugs look, feel, and perform just like cellulose acetate with many benefits.