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

AF-20-3318-BB 20"x4

and a ½" NPT thread for direct in-line installation

install an air injector upstream to ensure proper hydrogen sulfide oxidation

88 GPD capacity with 220V/50Hz power

Aries (AF-20-3318-BB) 20"x4.5" Big Blue Scale Inhibitor Phosphate Filter Big Blue Whole House Filter Systems AF-20-3318-BB 20"x4Aries 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.