The Advantage is Clear - Tracey Concrete

Safe lockable lids, uncomplicated effective design for peace of mind.
Simple, straight forward unobtrusive below ground installation.
Economic fast installation: no concrete base and no concrete backfill are required which means that there are no delays in carrying out the installation.
Reinforced monolithic concrete structure designed to last (more than 50 years).
Low profile design with highlets/outlets assures shallow excavation.
The tanks weigh two ton each, facilitating easy handling by standard digger equipment required to dig and back fill the hole.
Proven aerobic biological process eliminating bad odours.
No mechanical working parts inside the tank.
Electrical parts are located outside the tank in a separate housing.
Low energy consumption blower unit (timer/alarms optional).
Quartz 60 micron pore diffuser, non clog, no back pressure on blower.
Quiet piston operated blower.
Minimum inexpensive annual maintenance without the need to desludge.
Large primary tank surface area facilitates de-sludging every 2/3 years.
Standard gravity flow unit with simple design for submersible pump installation if required e.g. raised percolations areas.
Install as septic tank, upgrade to treatment unit later (all components removable).