
Ethylene Oxide Sterilized Low Retention Serological Pipettes - Rnase Free. Ethylene Oxide Sterilization: Sterilized by ethylene oxide, individually packaged, Rnase, Dnase, and Pyrogen free. Low Retention Design: Ultra-low liquid adhesion to tube walls improves sampling accuracy and reduces waste. Two-Way Scale Design: Features both positive and negative scales for convenient liquid absorption and reading. Medical Grade Material: Made from medical grade polystyrene (PS) with ultra-high molecular weight polyethene filter. Multiple Capacity Options: Available in 1ml, 2ml, 5ml, 10ml, 25ml, 50ml, and 100ml with color-coded rings. Cross-Contamination Prevention: Equipped with filter plugs at the ends to prevent cross-contamination during sampling. Comprehensive Certifications: ISO9001, FDA, and CE certified for high quality and safety standards. Three-Year Warranty: Backed by a three-year warranty and 24-hour online after-sales service.