it is a smart, reusable bottle system engineered for cell culture media preparation. Designed for optimal performance in biosafety cabinets and clean hoods, the DURAN® TILT bottle features two positions, upright for filter sterilisation or storage, and tilted at 45° for convenient pipetting. Made from high-quality DURAN® borosilicate 3.3 glass, it ensures superior chemical resistance, durability, and reusability. The GL56 screw cap provides a leak-proof seal and is ergonomically shaped for easy handling, while the large mouth opening allows effortless pipetting and cleaning.