O-Max PP Septic Tank Three-chamber Septic Tanks are widely used for domestic sewage treatment projects, residential communities, office buildings, hotels, schools, hospitals, barracks, public toilets, drainage treatment of food processing enterprises, residential buildings, and other places or domestic sewage treatment. Product Feature: Excellent Sealing Property: No leakage, no odor, no pollution, maintenance-free, to ensure the function of anaerobic manure. Eco-Friendly: PP Material Environmentally Friendly Durable. Long Service Life: PP is environmental-protection material, strong and durable, with oxidation resistance and acid-base corrosion resistance, buried in the ground and can be used for 50 years. Low Cost & High Quality: Flexible site selection, less land occupation, saving of land resources, Improving the use efficiency of real estate. Easy Installation: Modular production, complete set, convenient installation, high efficiency, shorten the construction period. Environmental Protection: The treated sewage can meet the discharge standard. It is an environmentally friendly product that is recommended by the urban construction department. Product Name: O-Max PPP Septic Tank Main Material: Polypropylene Model: OMAXST06CBMBLPP Size: 0.6m Dimension (mm): 1575x835x780 Number of Users: 2-3 Diameter of Manhole (mm):315x315 Parts for one set: The Upper Tank + Bottom Tank + Partition Board + Elbow Pipe + Manhole Covers + Screws Nuts + Sealing Ring + Sealing Tape