Made of EPDM, this disc shaped Coarse Bubble Air Diffuser weighs 500 grams. It is used for sewage treatment purpose. Its dimension is 100 mm and it is accessible in black color. Quick to install, it has long working life. Specially designed threading of this product conforms to global norms. Coarse Bubble Air Diffuser has been developed by experienced personnel to meet treatment requirements of sewage plants. Long lasting quality, precise dimension and ease of handling are the main aspects of this product.