The Perlick 36000G "D" System Keg Coupler is designed for efficient and reliable beer dispensing. Constructed from durable brass, this coupler features a probe for optimal performance and is designed without a lock for easy operation. Ideal for commercial and home brewing setups, it ensures a secure connection to standard "D" system kegs, allowing for smooth and consistent beer flow. Enhance your draft beer system with this essential component for a seamless pouring experience.