Cellulose stoppers, Steristoppers® Cellulose, 100% biodegradable and fully compostable autoclavable. Steristoppers® have been proved as an excellent sealing for microbiological samples and tissue cultures in test tubes and Erlenmeyer flasks. They are in constant use in many European microbiological laboratories.
-Autoclavable up to 200 °C -Filters bacteria -Sterilisable -Air permeable
Product Specification: Product Type: No. 18 For inter. diam.: 17.5 - 18.5mm Bottom diam.: 17.0mm Top diam.: 22.0mm Length: 38mm