Corning® Polypropylene Closures for Delong Style Flasks and Culture Tubes
By Corning![Corning® Polypropylene Closures for Delong Style Flasks and Culture Tubes](https://krackeler.com/tt/lg/graphics/0001/jpg/26794-25.jpg)
These Corning® polypropylene closures are designed for culture tubes and flasks with long rimless necks. Closure offers two positions: open for gas exchange or closed for humidified environment. Internal drip ring minimizes contamination. Closures are autoclavable at 121°C.