Pentek - PCF1-10MB - 10" x 2.5" Mixed Bed Deionization FilterThe Pentek PCF1 10MB is a 10" x 2. 5" mixed bed deionization cartridge engineered to deliver semiconductor grade water by removing dissolved ions and reducing total organic carbon (TOC) to ultra low levels. Built with FDA compliant resin and polypropylene construction, this 270 grain capacity filter handles 0. 25 GPM and up to 17,500 total TDS before exhaustion. SPECIFICATIONS Core Performance Data Dimensions 10" x 2. 5" Standard cartridge size Flow