NSF-Certified PF-4 Carbon Replacement Filters (Pack of 2) for Phoenix Gravity Water Filters | Berkey BB9-2, Waterdrop, Purewell & More

Premium carbon filtration for clean, great‑tasting water

The PF-4 carbon replacement filters from Phoenix Gravity are crafted from coconut shell carbon and NSF certified, providing reliable performance without introducing unwanted chemicals. These filters are designed to work with Phoenix Gravity systems and are compatible with popular countertop models, giving you a flexible option for fresh, ready-to-pour water at home.

In everyday use, you’ll notice a noticeable improvement in taste and aroma as the filters reduce chlorine and other common impurities. The result is water that’s more pleasant to drink, whether you’re filling a glass for a quick refresh or preparing hot beverages for the family. While you’ll still want to monitor your water quality, the PF-4 elements are built to support a consistent filtration experience over time.

Key benefits and specifications

• NSF-certified filtration using coconut shell carbon for safety and performance
• Dense, porous block that adsorbs chlorine and other contaminants while retaining minerals
• Pack of 2 carbon filters designed for long-term use with Phoenix Gravity and compatible models

Compatibility, lifespan, and maintenance

• Compatible with Berkey BB9-2, Purewell, Waterdrop and other countertop gravity systems
• The filter pair can deliver up to 5500 gallons of drinking water; individual elements approximately 2250 gallons each
• For optimum performance, replace about every 12 months and flush the filter for 3 minutes before first use
• Note: the PF-4 does not lower the TDS value

Why choose Phoenix Gravity PF-4 filters

Phoenix Gravity has decades of experience manufacturing gravity-based water purification products. The PF-4 filters reflect a focus on durable construction, proven filtration performance, and compatibility with a range of reputable countertop systems. If you’re seeking a solution that pairs with familiar brands while prioritizing safety and mineral retention, these filters offer a practical option for home use.

What to expect in daily use

Expect water that smells and tastes cleaner after filtration, with the convenience of a quick replacement when the time comes. This approach is well suited for households prioritizing easy, reliable access to purified water for drinking, cooking, and beverage preparation.