Aries (AF-20-3690-BB) 20"x4.5" Big Blue Activated Alumina Filter 20 inch x 2.5 inch Filters Replace filter when rinsing no

Replace filter when rinsing no longer restores flow or filtration effectiveness declines

POLISH Stage 5: Inline Polish

Filmtec SW30 elements are backed by decades of desalination engineering and automated precision manufacturing for consistent

Chemistry Patented free chlorine indicator

Aries (AF-20-3690-BB) 20"x4.5" Big Blue Activated Alumina Filter 20 inch x 2.5 inch Filters Replace filter when rinsing noAries Filter Works Aries AF 20 3690 BB 20"x4. 5" Big Blue Activated Alumina Filter Professional fluoride and arsenic reduction for whole house applications Fluoride reduction Arsenic removal 20" Big Blue housing compatible High capacity media The Aries AF 20 3690 BB uses high grade activated alumina media to reduce fluoride, arsenic (V), selenium, and other contaminants from municipal and well water supplies. Designed for 20"x4. 5" Big Blue housings,