Used in microbiological, bacteriological and biotechnological laboratories. They are mainly used to protect the sample against external dirt, guaranteeing a sterilizable but non-hermetic seal. Made of high quality aluminum. Built-in spring made of nickel-plated steel that gives an excellent adhesion to the tube and ensures the required air flow
Disposable. Designed to close culture and microbiological samples, sample tubes, erlenmeyers, … Will fit perfectly into the mouth of the container. Sterilizable up to 200 °C. Air permeable
