Aries - AF-10-3322 - 10" x 2.5" ALL 2 lbs. Phosphate Cartridge Filter; Scale InhibitorAries Filter Works AF 10 3322 Polyphosphate Scale Inhibitor Cartridge 10" x 2. 5" phosphate cartridge for scale and corrosion prevention in pipes and appliances 2 lbs. food grade polyphosphate Self healing pipe coating Iron sequestration Fits standard 10" housings The Aries AF 10 3322 uses slow dissolving polyphosphate crystals to coat pipes and appliances with a protective barrier that prevents scale buildup and corrosion. The clear bead media