Than means the unit will have made over 7 billion rotations before having to be rebuilt. It achieves this with a unique vane that puts a film down on the counter face so that the material is wearing against it self.This allows the vane to wear at a rate of a thousandth of an inch per year. It is important to clean the compressors top filter every 4 months as dust entering the the septic air pump takes the film layer away affecting longevity and time between rebuild. Gast Rotary Vane septic air pump is a durable, long lasting pressure air pump.
This unit can be wired at 230V or 115V, but comes pre-wired for high voltage.