(3)山立滤芯、杭州山立滤芯SLAF-1HC、SLAF-2HC、SLAF-3HC、SLAF-4.5HC、SLAF-6HC、SLAF-8HC、SLAF-10HC、SLAF-12HC、SLAF-15HC、SLAF-20HC、SLAF-25HC、SLAF-30HC、SLAF-40HC、SLAF-50HC、SLAF-60HC、SLAF-80HC、SLAF-100HC、SLAF-120HC、SLAF-150HC、SLAF-1HT、SLAF-2HT、SLAF-3HT、SLAF-4.5HT、SLAF-6HT、SLAF-8HT、SLAF-10HT、SLAF-12HT、SLAF-15HT、SLAF-20HT、SLAF-25HT、SLAF-30HT、SLAF-40HT、SLAF-50HT、SLAF-60HT、SLAF-80HT、SLAF-100HT、SLAF-120HT、SLAF-150HT)