... 304 L, 316,316 L stainless steel 3.Filter Cartridges Stainless Steel Filter Cartridges Material: 304,304 L, 316,316 L ... to damage, filter cleaning, after repeated use. Uses: mainly used for environmental, chemical, food, pharmaceutical, oil, water and other filtration ... with a variety of machinery and equipment for special-shaped filter cartridges, such as tapered, wedge-shaped, basket-shaped, V ...