
Lab Square Plastic Bottle Serum Bottle Cell Culture Flask Pet/PETG Square Media Bottle 1000ml. Medical-Grade PETG Material: Made of medical-grade PETG, free from Bisphenol A, safe for food and drug contact. Aseptic & Sterile: Electron beam sterilized, no DNase/RNase, no endotoxin, ensuring high cell density growth. Seamless Blow Molding: One-time seamless blow molding avoids surface scars and prevents cell wall rupture. High Transmittance: Mirror surface finish with permeability close to glass, reducing cell sticking risks. SBS Standard Mouth: Bottle mouth conforms to international SBS standard for quick bioreactor connection. Custom Logo Service: Professional OEM/ODM services available to put your logo on products with flexible MOQ. Free Sample Available: Free samples and shipping fees provided for quality testing before large orders. Optimized Design: 2.8L bottom optimization saves space and improves shaker usage rate for R&D.