The Supreme Duet is the most advanced bottle top dispenser, offering unparalleled versatility for complex liquid handling tasks in a single, robust unit. It features a unique dual-inlet system that allows it to operate in four distinct modes: dilution, rinsing, dual liquid handling, and standard re-circulation for bubble-free priming. Engineered with high-quality, chemically resistant components, this fully autoclavable dispenser provides the highest level of performance, safety, and convenience. Key Features & Benefits Four-in-One Functionality: A worldwide patented design allows for four modes in a single instrument: dilution, rinsing, dual liquid handling, and recirculation. Recirculation Valve: Allows for easy priming and purging of the system without any loss of valuable reagent, ensuring accurate, bubble-free dispensing. Fully Autoclavable: The entire unit can be steam sterilized at 121°C, ensuring complete decontamination for sterile applications. Excellent Chemical Compatibility: Constructed with high-quality materials like PTFE, PFA, and borosilicate glass, making it resistant to most acids, bases, and solvents. High Precision & Accuracy: Each dispenser is individually calibrated according to ISO 8655 standards to ensure accurate and reproducible dispensing.