EPDM made Air Diffusers are used for sewage treatment purpose. These weigh 500 grams to 1 kg and are 63 mm x 600mm in dimension. These diffusers can be availed in different shapes to meet exact needs of customers. These aeration equipments raise amount of dissolved oxygen in water to supply oxygen for sewage treatment microorganisms. Advanced mechanism of these Air Diffusers helps to remove iron present in sewage water. These promote emergence of bubbles of contaminated content on water. As its result, it becomes quite easy to separate and remove impurities. User friendly mechanism, long working life and simple maintenance process are the key aspects of these products.