Aries (AF-20-3690-BB) 20"x4.5" Big Blue Activated Alumina Filter 20 inch x 2.5 inch Filters well water with moderate iron

well water with moderate iron and sulfur

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

💧 Pro Tip: Replace the ELF-10M-P annually even if you haven't reached the 10

🔧 Without ATC

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 well water with moderate ironAries 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,