Commrical reverse osmosis water treatment400GPDModel: RO-C-400Description:--AC220V, 50Hz--400 gallon per day--good quality RO membrane (400gallon,1PCS)--two booster pump--cartridges: 10" 1 micron PP+ 10"UDF-10-1 (coco nut inside)+10" Carbon block filter --necessory tube--feed water va......