Depth Filters

Meltblown polypropylene and string wound filter cartridges stand as specialized filtration components widely employed in water treatment systems, industrial processes, and various applications necessitating the removal of fine particulate matter. These cartridges are meticulously crafted, each through a unique process, to meet distinct filtration needs.


For meltblown polypropylene filters, the cartridges are constructed using a meltblown process. Polypropylene fibers are melted and extruded to form a dense and intricate web-like structure. This material exhibits excellent filtration properties, effectively capturing particles of varying sizes. The cartridge's distinctive structure enables the entrapment of contaminants such as sediments, silt, and other impurities, ensuring a high level of filtration efficiency.

Similarly, string wound filter cartridges provide reliable filtration. Consisting of tightly wound fibers, these cartridges effectively capture particulate matter. The winding pattern allows for the entrapment of contaminants, ensuring efficient filtration of sediments and impurities.


Both filter cartridges are known for their versatility, seamlessly integrating into different filtration systems, and displaying resistance to chemicals and corrosion. They find common usage in pre-filtration stages, safeguarding downstream equipment like pumps and finer filters from damage caused by particulate matter.


Ease of installation and replacement characterizes both meltblown polypropylene and string wound filter cartridges, simplifying maintenance procedures. Their cost-effectiveness and reliable performance make them popular choices for applications demanding efficient and economical particulate removal, contributing to cleaner water and enhanced process efficiency.

Explore the excellence of our Meltblown Polypropylene Filter Cartridges, designed for diverse filtration needs. Our Absolute Grade cartridges ensure superior compatibility with various chemicals, offering efficient contaminant removal without additives, wetting agents, binders, or silicones. Elevate your standards with our High-Performance Grade cartridges, crafted entirely from polypropylene for optimal performance in chemical applications. Additive-free, they provide high-performance filtration. For water applications, our Water Grade Cartridges feature a gradient density structure for a low-pressure drop and high dirt-holding capacity. All our cartridges, including the Water Grade series, are free of additives, wetting agents, binders, and silicone, ensuring advanced technology for efficiency and purity in filtration processes

String Wound Cartridges

Explore the precision and versatility of CFS's string wound elements, meticulously crafted using custom, high-speed, computer-controlled machines that ensure impeccable thread spacing. Tailor-made patterns and spacing options are available to seamlessly adapt to your specialized applications. Our ink and paint elements boast a sophisticated 3-stage multi-pattern winding process, providing true depth loading and effectively preventing core blinding. Choose from our extensive range of 6 media selections and 13 micron ratings, allowing us to produce the ideal element for your unique requirements. Versatility extends to end cap configurations, allowing a perfect fit for your existing housing. Rest assured, our FDA polypropylene and cotton constructed elements comply with CFR Title 21, making them FDA acceptable for both food and potable water contact. Standardized diameters of 2.5 and 4.5 inches, coupled with lengths ranging from 9.75 to 40 inches, ensure compatibility with various systems. Our "WS" String Wound Cartridges are rigorously Tested and Certified to meet NSF/ANSI 61 Standard and NSF/ANSI 42 Standard for Component, ensuring unparalleled quality and reliability in water filtration solutions.