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Purcooflow 20x4.5 Inch 5 Micron MPP Sediment Water Filter, Reduces Sand, Rust, Dirt & Silt
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100% Pure Food-Grade Polypropylene: Made from melt-blown virgin polypropylene with no binders, adhesives, or lubricants. BPA-free, odorless, and highly resistant to chemicals and bacterial growth, ensuring safe filtration for household water systems
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Advanced Multi-Layer Gradient Density: Engineered with a 3-layer “rare-to-dense” structure. The outer layer captures larger particles, while inner layers progressively trap finer sediment, preventing surface clogging and improving overall filtration efficiency and lifespan.
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5-Micron High-Precision Sediment Filtration: Effectively removes sand, rust, dirt, silt, scale, and other suspended solids. Provides consistently clear water and serves as the essential first stage in any whole-house or pre-filtration system.
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Universal Compatibility for Standard 20" x 4.5" Systems: Designed to fit nearly all standard 20-inch Big Blue (BB) filter housings and whole-house filtration systems. Fully compatible with most mainstream brands, making replacement simple without brand lock-in or installation changes.
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Protects Downstream Appliances: As the essential first stage of filtration, it prevents grit and debris from damaging your expensive water heaters, washing machines, and high-end carbon or RO filters. Ultra-Long Service Life & Peak Performance
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Ultra-Long Service Life & Peak Performance: Engineered for endurance, the Purcooflow filter delivers up to 30,000 gallons of pristine water (depending on feed water quality). For optimal results, replace every 3-6 months.
- Free Shipping On all orders
- 30-Day Return No worries
- 2 Year Warranty Hassle-free
Tech Specs - 20-inch PP Sediment Filter
100% Food Grade Polypropylene
5 Micron
Standard 20" x 4.5"
Standard 20-inch BB Housings
104°F (40°C)
90 psi
15 GPM
3 - 6 Months
NSF 42 / FDA Compliance
Multi-layer Gradient Density
Compatible with Most 20" × 4.5" Big Blue Housings
Designed to fit most standard 20" × 4.5" Big Blue filter housings used in whole-house water filtration systems. Easy replacement, dependable performance, and broad compatibility.
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| Primary Filtration Focus | |||
| Primary Focus | Sediment Removal | Chlorine, Taste & Odor | Advanced Chemical Reduction |
| Best at Removing | |||
| Best at Removing | Sand, Silt, Rust & Dirt | Chlorine, Bad Taste & Odor | Chlorine, VOCs & Organic Chemicals |
| Filtration Precision | |||
| Filtration Precision | 5 Micron | 5 Micron | 5 Micron |
| Filter Media | |||
| Filter Media | 100% Melt-Blown Polypropylene | Premium Coconut Shell GAC | High-Density Carbon Block |
| Filter Life | |||
| Filter Life | 3–6 Months | 6–12 Months | 6–12 Months |
| Recommended Water Source | |||
| Recommended For | Well Water & Sediment-Rich Water | Municipal / City Water | Municipal / Treated Tap Water |
| Best For | |||
| Best For | Removing Dirt & Protecting Downstream Filters | Improving Water Taste & Removing Odors | Enhanced Chemical Reduction & Daily Drinking Water |
| Typical Installation | |||
| Typical Stage | Stage 1 | Stage 2 | Stage 3 |
FAQs
Learn how Purcooflow's multi-layer polypropylene technology removes sediment, protects household appliances, and delivers reliable whole-house filtration performance.
Contact SupportThe Purcooflow PP sediment filter is designed to capture sand, rust, dirt, silt, scale, and other suspended particles down to 5 microns. It helps improve water clarity while protecting downstream filtration systems and household plumbing.
As the first stage of filtration, the PP filter removes larger particles before they reach carbon filters, water softeners, UV systems, or reverse osmosis membranes. This helps extend the life of downstream equipment and maintain overall system efficiency.
The gradient-density structure captures larger particles on the outer layers while trapping finer sediment deeper inside the cartridge. This design increases dirt-holding capacity, reduces surface clogging, and helps maintain stable water flow for longer periods.
No. The large 20" x 4.5" Big Blue design supports flow rates up to 15 GPM. Under normal operating conditions, the filter provides effective sediment reduction while maintaining strong household water flow.
Most households should replace the filter every 3–6 months. Actual replacement frequency depends on water quality and sediment levels. Homes with well water or heavy sediment may require more frequent changes.
Yes. The cartridge is manufactured to standard 20" x 4.5" Big Blue dimensions and is compatible with most major whole-house filter housings that accept standard BB replacement cartridges.