Aries (AF-20-2115-BB) 20"x4.5" Big Blue 1.5 KDF-55-GAC Filter 0.25 inch FPT Compact conductivity meter for testing

Compact conductivity meter for testing reverse osmosis and distillation systems with 0-50

Good Water Warehouse formulation trusted by water professionals

so some users prefer non-phosphate filters for drinking water applications and reserve the E5415-P for appliance protection

Polysulfone withstands harsh water chemistry

Structural brand quality for reliable long-term service

Aries (AF-20-2115-BB) 20"x4.5" Big Blue 1.5 KDF-55-GAC Filter 0.25 inch FPT Compact conductivity meter for testingAries Filter Works 20"x4. 5" Big Blue AF 20 2115 BB KDF 55 GAC Specialty Filter Dual action filtration combining coconut shell GAC with KDF 55 media for whole house chlorine removal, heavy metal reduction, and bacterial inhibition KDF 55 & GAC Whole House Heavy Metal Reduction WHY IT WORKS Redox media meets activated carbon for extended performance KDF 55 Redox Process Removes chlorine and reduces water soluble heavy metals through oxidation