OTT MAGNUM - Thin film tube aeration equipment: has been proven to be an effective technological innovation. MAGNUM aeration tubes stand out for their easy and fast installation as well as high quality. This product has high efficiency and long service life, so investing in it can achieve long-lasting economic efficiency. Each MAGNUM membrane tube aeration equipment undergoes strict quality inspection before leaving the factory. The relevant data is recorded according to the order. Therefore, efficiency. Welcome to visit us for on-site audit.