The Dracaena. io G1/4"" Brass Pass-Through Fitting delivers professional-grade performance and precision for PC liquid-cooling enthusiasts. Each fitting is made from high-quality brass, providing outstanding corrosion resistance and mechanical strength even under high loop pressure. A concealed O-ring ensures an airtight seal, while the locking nut allows easy mounting through chassis or reservoir panels up to 6.5 mm thick. Measured precisely at 16 mm height, 19.7 mm outer diameter, and 11.5 mm inner diameter, this compact connector creates a clean, space-efficient transition between internal and external cooling components. The lock-nuts 24 mm diameter adds secure support and a refined finish to your custom build.