过滤处理后保证杂质数小于5ppm，压差变化过大需要及时更换滤芯。 原厂型号： ACO-21001L ACO-31001L ACO-40501SPL ACO-40901SPLACO-41201L ACO-41601L ACO-41801L ACO-41901LACO-51201L ACO-51201L ACO-512P3LACO-60801L ACO-60901L ACO-609P3L ACO-61201LACO-61401L ACO-62201LTB ACO-62901L ACO-63301LACO-64401L ACO-64401LTB ACO-71801L ACO-21001LACO-31001L ACO-40501SPL ACO-40901SPL ACO-41201LACO-41601L ACO-41801L ACO-41901L ACO-51201LACO-51201L ACO-512