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💧 Elevate your home’s hydration game with pro-grade, whole-house carbon filtration!
The Pentair Pentek RFC-20BB is a heavy-duty 20" radial flow carbon water filter cartridge designed for whole-house use. Featuring granular activated carbon and a unique radial flow design, it reduces chlorine taste and odor with minimal pressure drop (<1 psi at 4 gpm). NSF certified and compatible with Big Blue housings, it delivers over 100,000 gallons of clean water—lasting up to a year. Sold in a convenient 6-pack, it’s engineered for high-flow systems and easy replacement every 6-12 months.




















| ASIN | B09MSWW43N |
| Best Sellers Rank | #418,629 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,712 in Replacement Under-Sink Water Filters |
| Brand Name | Pentek |
| Customer Reviews | 5.0 5.0 out of 5 stars (7) |
| External Testing Certification | NSF |
| Global Trade Identification Number | 30051678247434 |
| Included Components | Carbon Water Filter |
| Item Dimensions D x W x H | 4.5"D x 4.5"W x 20"H |
| Item Type Name | Carbon Water Filter |
| Item Weight | 29.3 pounds |
| Manufacturer | Pentair |
| Manufacturer Part Number | 155247-43-APC |
| Manufacturer Warranty Description | 30 day manufacturer |
| Material Type | Polyethylene (PE), Polypropylene (PP) |
| Model Number | RFC-20BB |
| Number of Items | 6 |
| Product Benefits | Removes Pollutants |
| Set Name | Pack of 6 |
| Unit Count | 6 Count |
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