Fiberglass septic tanks Features: fiberglass septic tanks for residential quarters, office buildings, hotels, schools, hospitals, barracks, public toilets, and transformation of the old city municipal sewage treatment in line with this product polymer materials and high-strength glass fiber. composite made of corrugated cylindrical overall septic having good tightness, no leakage, light weight, easy to transport, high compressive strength, acid, long life, easy installation features, good water quality, in line with national standards and Jiangsu Province.