High perfomance unit.  Standard easy-to-read gauge.  High performance battery allows 1.5 hours of total run time.  Uses standard 800cc canister and is visible in the carrying bag while the unit is in operation.  It is rechargeable and durable.  Dual pump protection system offers a float shut-off in the canister and an inline hydrophobic filter to prevent backflow.  2 year warranty on the system.  Suction Units.