The Logan Clay Products Company makes some of the world's most dependable pipes for wastewater collection. The company makes clay pipe because it's proven to be the most dependable and durable material for permanent, problem-free sanitary sewer systems. Its products are created from some of the finest raw materials, selected and mined within miles of its manufacturing facility in Logan, Ohio. The company s O-ring system maintains a full circumference compression seal that gives clients a self-centering, tight fit every time. The tight joints guard against and practically eliminate the infiltration of roots, ground water and foreign materials.