Regulators Sold! Lambe Drones and Regs sold Canada US$ 3,500.00 Sold! Hylands Inline Drone Valves (Reduced Price) sold Canada US$ 13.93 Sold! Dave Williams regulators or full set regulators and drones sold United States US$ 4,000.00 (Used) Hylands Inline Drone Valves United States US$ 35.00 Sold! Antique Uilleann Pipe Regulators in C sharp. Taylor-style sold United Kingdom £ 2,800.00