Used and in Good Condition. Taken completely apart, cleaned and tested. Specifications: Tank Capability: 700L -900L (185G-240G) Pump: ROCK - SP2000 Pump power: 220V,16W Air intake : 520L/H Water Level: 24cm - 28cm (9.5"-11") Dimensions: 235L x 200W x 530H mm (9.25"L x 7.87"W x 20.8"H)