5000ml Erlenmeyer Flask Plastic PETG Flask for Shake Flask Suspension Cell Culture. Sterile & Safe Material: Gamma ray sterilized, RNase/DNase-free, human DNA-free, non-pyrogenic, and non-cytotoxic. Wide Application Scope: Ideal for suspension culture of bacteria, fungi, animal cells, plant cells, and high oxygen requirement cells. Durable PETG Construction: Made of PETG material offering excellent clarity with molded scales for accurate measurement. Comprehensive Warranty: Includes a 3-year warranty covering consumables and after-sales service. Flexible Customization: Supports OEM, ODM, and flexible customization from designs or samples. Multiple Capacity Options: Available in 125ml, 250ml, 500ml, 1000ml, 3000ml, and 5000ml sizes. ISO Certified Quality: Certified under ISO13485 and ISO9001 standards for medical and laboratory safety. Fast Lead Time: Peak and off-peak season lead times are both within 15 working days.