Clearbrook CB9 Filters (Set of 2)

The nine-inch original.

The filter at the heart of the Clearbrook line, and the one we've been making longer than most brands have existed. The CB9 has been the trusted core of millions of gravity systems worldwide — same media, same testing, same American facility. Just under our own name now.

Features

•       Removes up to 99% of common contaminants — lead, chlorine, VOCs, pesticides, PFAS, PFOS, and microplastics

•       Exceeds NSF/ANSI Standard 53 for contaminant reduction

•       Works 100% off-grid — no electricity or water pressure needed

•       Compatible with all Clearbrook gravity systems and most other gravity-system brands

•       Free of chemicals, toxic metals, and industrial additives

Specs

Length: 9" · Capacity: 6,000 gallons per pair · Includes: 2 filters, 2 washers, 2 wing nuts, 1 priming button

Best for: Full-size stainless systems, long-term reliability, and households that want the filter that started it all.

Lab Results