DYNAMICVENT

Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines; Automatic valves; Automatic valves for consumer audio earbuds, headphones and medical or consumer hearing aid devices; Control valves for regulating the flow of gases and liquids; Electric valve actuators; Electronic valves for controlling gas or fluids; Pressure relief valves for consumer audio earbuds, headphones and medical or consumer hearing aid devices