25cm2 Tissue Culture Treated Flasks have uniform hydrophilic surface ideal for consistent cell attachment. Vent caps feature 0.22µm hydrophobic membrane. Flask is printed with lot number and expiration date for easy identification and tracking. Flask is made from Polystyrene and is RNase/DNase free. Cap is made of High Density Polyethylene. 10/pack, 20 packs/case. Additional info on MLS-CFTSV-25J: Temperature Range: -20°~+50°. Non-pyrogenic. Bulk packed in zip-lock bag. Not Autoclavable. Working volume: 40 ml Recommended working volume: 17.5 ml. Growth area: 25 cm2. Shelf Life: 3 years after month of production. Sterilized by gamma irradiation SAL10-6 (ISO11137). Manufactured in a Class 100,000 cleanroom environment. Manufactured under ISO13485:2016 and ISO9001:2015 quality management system.