






💧 Elevate your home’s water game with every drop!
The Pentek CBC20-BB is a 20" x 4.5" extruded carbon block water filter cartridge designed for whole-house filtration. With a 0.5 micron rating and a 150,000-gallon capacity, it effectively reduces chlorine taste, odor, and fine sediment. Certified by NSF International, it fits all standard 20" Big Blue housings, delivering long-lasting, high-quality water filtration for residential and commercial use.


| Manufacturer | Pentair Industries |
| Part number | 155312-43 |
| Item Weight | 2.27 kg |
| Item model number | CBC20-BB |
| Size | 20" x 4.5" |
| Colour | White |
| Style | 20\" x 4.5\" |
| Material | Extruded Carbon Block |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Cutting Diameter | 4.63 Inches |
| Batteries included? | No |
| Batteries Required? | No |
| Item diameter | 4.63 Inches |
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