I am civil engineer involved in the construction of residential development in Jordan , the expected population is 3000 person , i am looking to install closed system for wastewater treatment plant to serve this development at resonable cost and low maintenance. might you please provide me with the most effecient system , engineering characteristects and cost CIF aqaba - jordan. regards I want to receive: Product Spec . Delivery Info . Product Catalog . Inventory Info . Packing Info .