1, High quality with low mantenance cost 2, Good performance,small size 3, Durable and automatic operation water treatment: two glass fibre pre-filter 150kg quartz sand filter 50kg active carbon filter Plus water softener1.Technical instructions:A, Adopt the RO(reverse osmosis) filtration technique, No impurity material and bacteria with good tastesB, The ESPA-4040 membrane, can make the recovery ...