Aries (AF-20-3318-BB) 20"x4.5" Big Blue Scale Inhibitor Phosphate Filter Big Blue Whole House Filter Systems } Pentek Big Blue Sediment

} Pentek Big Blue Sediment Filtration

5" Big Blue KDF-85/GAC Iron & Hydrogen Sulfide Removal Filter

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379 kPa) Maximum Operating Pressure 450 psig Maximum Temperature 122°F (50°C) Operating pH Range 4

Aries (AF-20-3318-BB) 20"x4.5" Big Blue Scale Inhibitor Phosphate Filter Big Blue Whole House Filter Systems } Pentek Big Blue SedimentAries Filter Works AF 20 3318 BB 20"x4. 5" Big Blue Scale Inhibitor Phosphate Filter Food grade phosphate crystals that prevent scale buildup and corrosion in whole house and commercial water systems NSF 61 Listed FDA Grade Materials 20" x 4. 5" Big Blue Whole House The Aries AF 20 3318 BB uses pharmaceutical grade polyphosphate crystals to sequester hardness minerals and prevent lime scale from forming on pipes, heating elements, and glass surfaces.