The 550-litre septic tank from TT Plastics offers both certified and uncertified options, manufactured to a heavy-duty standard for complete underground installation. This compact yet durable polyethylene tank features a single chamber, making it a perfect solution for smaller applications such as baches, holiday homes, bush huts, and similar uses. It has become a reliable choice for properties throughout New Zealand. Key Features of the TT Plastics 550-litre Septic Tank: Designed for efficient and cost-effective sewage holding and discharge. Equipped with a 400mm removable inspection lid for easy internal access. Includes a 100mm inlet connection, mushroom air vent, and 100mm outlet. Fitted with a bio filter on the 100mm outlet connection to enhance the quality of discharged water, easily removable for cleaning. Cost-effective to transport and simple to install, with comprehensive installation instructions provided. Nationwide freight available. Choose TT Plastics’ septic tank range for dependable, affordable wastewater solutions suited to smaller property needs. Specifications: Weight: 40kg Dimensions: 1100mm (h) x 900mm (dia) Resources: