These simple yet effective lids will assist in keeping airborne contaminates out of your samples. Work great with autosamplers or pipettes. Caps are the Jet Biofil brand which are compatible with many brands of tubes.
- 1.6 mm thick, 50 durometer, cross cut silicone septa
- Autoclavable to 121°C for 30 minutes at 15 psi
- This product ONLY includes caps with septa, no tubes