Profile: The Septic Tank Shop specializes in providing septic tanks and sewage treatment plants. Our low profile septic tank has a metal frame and a lid. There is no need for addition vents, as it is designed and vented into the inspection hatch. Our tank does not require concrete blanket or base. It is suitable for granular installations. Our low profile sewage treatment plant has an air-rotor compressor. It is made from hot pressed glass, reinforced with plastic. We also offer septic tank installation packages.