Aries (AF-20-3690-BB) 20"x4.5" Big Blue Activated Alumina Filter 20 inch x 2.5 inch Filters This is a direct replacement

This is a direct replacement for worn or damaged plugs in existing Fleck brine valve assemblies

🔧 Without ATC

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

Ideal for sediment-carbon combinations

Aries (AF-20-3690-BB) 20"x4.5" Big Blue Activated Alumina Filter 20 inch x 2.5 inch Filters This is a direct replacementAries 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,