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Purcooflow 10" x 4.5" 5 Micron String Wound Sediment Filter – Big Blue Replacement Cartridge
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Food-Grade Safe String Wound Construction: Made from premium polypropylene fiber without adhesives or chemical binders. BPA-free and safe for residential water systems, ensuring clean and reliable household water filtration.
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Deep Gradient Filtration Design: Engineered with precision wound layers that create true depth filtration. The outer layer captures larger particles while inner layers trap finer sediment, reducing clogging and improving filtration efficiency.
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5-Micron Sediment Removal Efficiency: Effectively removes sand, rust, dirt, silt, and other suspended particles. Provides clean and clear water for everyday household use and protects downstream filtration components.
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Universal Fit for 10" x 4.5" Big Blue Systems: Designed to fit all standard 10-inch Big Blue housings. Fully compatible with most mainstream residential water filtration systems, ensuring easy replacement without brand limitations.
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Protects Plumbing & Household Appliances: Acts as the first-stage defense in your water system, preventing sediment from damaging faucets, water heaters, and appliances while extending the life of your entire filtration setup.
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Compact Size for Residential Use: Ideal for small to medium households and point-of-entry pre-filtration systems where space-saving design and stable water flow are required.
- Free Shipping On all orders
- 30-Day Return No worries
- 2 Year Warranty Hassle-free
Tech Specs - 10-inch String Wound Sediment Filter
100% Food Grade Polypropylene Yarn
5 Micron
Standard 10" x 4.5"
Standard 10-inch BB Housings
104°F (40°C)
90 psi
15 GPM
3 - 6 Months
NSF 42 / FDA Compliance
3D Strings Structure
Compatible with Most 10" × 4.5" Big Blue Filter Housings
Designed to fit most standard 10" × 4.5" Big Blue housings used in compact whole-house filtration systems. Easy replacement, secure fit, and broad compatibility across major brands.
FAQs
Learn how Purcooflow string wound technology provides deep sediment filtration, protects plumbing systems, and ensures reliable performance for compact whole-house water filtration systems.
Contact SupportThe Purcooflow string wound filter is designed to capture sand, rust, dirt, silt, and other suspended particles from water. Its tightly wound polypropylene yarn structure provides effective depth filtration for improved water clarity.
String wound filters use a layered winding structure that traps larger particles on the outer layers while capturing finer sediment deeper inside. This improves dirt-holding capacity and extends filter lifespan.
Unlike surface-only filters, string wound cartridges provide true depth filtration. This means contaminants are captured throughout the entire filter media, not just on the surface, reducing clogging and maintaining more stable flow.
No. Designed for compact 10" × 4.5" Big Blue housings, the string wound structure maintains stable household water flow while effectively removing sediment and particles under normal residential conditions.
Replacement is typically recommended every 3–6 months depending on water quality and sediment levels. High sediment water sources such as well water may require more frequent replacement.
Yes. This filter is manufactured to standard 10" × 4.5" Big Blue dimensions and is compatible with most compact whole-house filtration systems that use standard BB housings.