Maximize the cooling performance of your Antminer S21 Pro and S21 XP with this expertly engineered 8-inch round duct adapter designed by Gobrrr.me and 3D printed by D-CENTRAL TECHNOLOGIES in Quebec, Canada. This airflow shroud enables seamless transition from the miner’s rectangular exhaust to standard 200mm (8-inch) round ducting, ideal for directing heat away from indoor setups or into structured HVAC systems. Crafted with precision and printed using heat-resistant thermoplastic, this adapter ensures durability under continuous high-temperature mining conditions. The design features reinforced mounting flanges, tabbed locking slots, and a curved contour that maintains airflow integrity and back-pressure reduction. Upgrade your thermal management setup today and extend your miner’s operational lifespan with professional-grade airflow control.