TC-Ocap is filter vented cap, specifically designed for orchid tissue culture glass bottles. It is made of highly purified polypropylene which is autoclavable at 121º C. The vent on the top of cover is sealed by a PTFE filter membrane to eleminate bacterial and fungal contamination.

Feature:
1. Filter vented caps feature a 0.45μ M PTFE membrane
2. Caps are easy to fasten with button
3. Caps covers the lip of bottle to prevent the contamination
4. Rubber ring to ensure the caps fully sealed