D series depth melt blown filter cartridge is designed to have more porous surface and changing micron rates from surface to the core, thus have longer service life. The micron rates are set carefully to make meet the different sediment removal rates.
High Flow pleated filter cartridge with 6" diameter and different end caps, usual lengths are 40" and 60", absolute rated 0.5micron, 1micron, 5micron, 10micron, 20micron, 50micron and 100micron, it's used as high capacity sediment filter for desalination and industrial applications.
Cotton string wound filter cartridges with high temperature nature, the yarn is degreased cotton or bleached cotton, the inner core is stainless steel or tin plate, usually for hot water and food oil processing like palm oil, soy oil and vinegar, etc.
Water filter replacement activated carbon filter cartridge is the second filter cartridge of 3-stage drinking water filter replacements, it is a type of slim carbon block filter with threaded or double O-ring end caps, varies of sizes and end caps available.