String-Wound Filter Cartridges
Explore All Filters’ range of string-wound filters that deliver reliable, high-capacity water filtration for various types of systems. Polypropylene (PP) string-wound filter cartridges are produced by tightly winding fibers around a core, providing depth filtration that effectively captures sediment, increases filter lifespan, and protects plumbing. These filters are available in various sizes and micron ratings and are ideal for whole-house systems, well water, irrigation, and reverse osmosis (RO) pre-filters.
Size |
Rating |
SpiroPure |
Hydronix |
Pentek |
Other Brands |
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CW Series |
2.5" x 10" |
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2.5" x 20" |
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2.5" x 30" |
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2.5" x 40" |
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2.5" x 50" |
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WP Series |
4.5" x 10" |
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4.5" x 20" |
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How to Match Your Filter
We carry filters that are compatible with almost any setup, from under-sink filters to whole-house and commercial systems. Our sediment filter cross-reference chart makes it easy to find string-wound filter cartridges for your specific system. The chart is organized by filter size, micron ratings, and series, making it easy to find a filter compatible with your system. Simply follow this procedure:
- Check the size of your current cartridge (e.g., 2.5” x 10” or 4.5” x 20”)
- Match the micron rating printed on your filter (e.g., 5, 10, or 30 microns)
- Check the series that corresponds with your filter (e.g., CW or WP Series)
- Match your current number with the SpiroPure equivalent (e.g., the Hydronix SWC-25-10-0.5 is the equivalent of the SpiroPure SP-CW0.5 in the first row)
Expert Support Seven Days a Week
If you need help finding the right string-wound filter cartridges, our dedicated team is available seven days a week. We can help you find SpiroPure replacements that are ideal for different uses. For example, the SpiroPure 2.5” CW Series string-wound filters are perfect for smaller systems like under-sink filters and countertop systems. For larger systems like whole-house filtration, well water treatment, and irrigation, the 4.5” WP Series Big Blue is ideal. Here are some more reasons to shop at All Filters:
- High quality: Products like PP string-wound filter cartridges offer reliable performance at affordable prices.
- Fast shipping: Quick delivery with free shipping on orders over $99.
- Satisfaction guarantee: Many SpiroPure products are backed by our satisfaction guarantee.
Buy String-Wound Filter Cartridges Online
Find the right filters quickly and easily at All Filters, your complete source for filtration solutions. Our cross-reference chart helps you match your current model with a SpiroPure equivalent, making it easy to find the right filter. Enjoy fast shipping with most orders shipped the same day. You can also set a reminder when it’s time to order more string-wound filter cartridges to help you stay on top of filter replacements.
