Polyethylene Septic Systems

One Clarion Septic Tanks are crafted in the USA using the finest high-grade polyethylene, which forms the foundation for our unwavering product strength. By blending exceptional raw materials with cutting-edge engineering design, we take immense pride in offering the exclusive limited lifetime warranty in the poly-septic market. We cordially invite you to put our products to the ultimate test and witness firsthand the remarkable accomplishments that 40+ years of dedicated engineering expertise and unwavering commitment to quality assurance have brought us. View the complete list of specs and accessories.