LLG-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
Specifications Type No. 20 P For inter. diam.: 19,0 - 22,5 mm Bottom diam.: 20.0 mm Top diam.: 25.0 mm Length: 38 mm