Our plastic septic tank are designed for durability and quick, easy installation. Since our plastic septic tanks are made out of polyethylene, they are unaffected by soil chemicals and by the chemicals and gases present in sewage, so our plastic septic tanks will not rust or corrode. We offer our septic tanks in either single or double compartments. We also offer our septic tanks pre-plumbed, which means they come to you ready for installation. We also offer manway extensions for all of our plastic septic tanks. If you need help picking the right septic tank for you, our sales staff will gladly help you.