Tough Bubbler supports high-load environments where solid and viscous matters are floating, such as an aeration tank, wet-paint booth, or oil-separator etc. Adopting a unique rotary shear mechanism prevent clogging in the device even when sludge is taken in, enabling continuous operation over a long period of time. Tough Bubbler enhances the aeration performance and bring energy saving. There are no drainage or removal of existing equipment are required while installation, installation work will be completed easily in an existing tank.