Aries (AF-20-2115) 20"x2.5" 1.5 Lbs. KDF Filter Aries (AF-10-3005-BB) 10"x4.5" Big Blue Iron/Lead Filter If you have an early-model

If you have an early-model 155 valve

This OEM component integrates with the brine valve assembly to regulate salt solution draw during the regeneration process

and other manufacturers using the Intelifil GAC-BB20C footprint

UV-1 Specific

and other standard Big Blue housings designed for this size

Aries (AF-20-2115) 20"x2.5" 1.5 Lbs. KDF Filter Aries (AF-10-3005-BB) 10"x4.5" Big Blue Iron/Lead Filter If you have an early-modelAries Filter Works Aries AF 20 2115 20"2. 5" KDF Filter Cartridge High capacity KDF 55 85 and coconut shell GAC for heavy metal reduction, chlorine removal, and bacterial inhibition in whole house and well water systems 1. 5 lbs. KDF Media ResinTech Coconut Shell GAC Bacteriostatic Protection 20" 2. 5" Standard Size The Aries AF 20 2115 combines 1. 5 lbs. of KDF redox media with premium coconut shell granular activated carbon for extended filter life