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💧 Upgrade your filtration game—smart, sustainable, and savvy!
This empty refillable filter cartridge is designed for 20" Big Blue housings, offering a durable carbon and resin construction that ensures long-lasting use. NSF certified, it maintains high water flow while effectively removing impurities. Ideal for cost-conscious professionals who prefer eco-friendly, refillable solutions without sacrificing performance.















| ASIN | B007ME7QAE |
| Best Sellers Rank | #507,716 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,576 in Furnace Filters |
| Brand Name | Hydronix |
| Customer Reviews | 4.4 4.4 out of 5 stars (19) |
| External Testing Certification | NSF |
| Item Dimensions D x W x H | 4.5"D x 4.5"W x 20"H |
| Item Weight | 1.5 pounds |
| Manufacturer Part Number | B007ME7QAE |
| Material Type | Carbon,Resin |
| Model Number | EC-4520W/1 |
| Product Benefits | Removes a wide range of impurities and contaminants while maintaining high water flow rate and offering durable, long-lasting use. |
| UPC | 783583354202 |
| Unit Count | 1 Count |
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