3 Stage Big Blue Filter Kit 4.5" x 20" Sediment, pH, and KDF 55
KDF 55 + GAC (2.5" x 9.75") Chlorine, Heavy Metal Filter- for 10" Countertop and Under Sink RO Filtration
BIGboy™ Dechlorinator System with Upgraded KDF85/Catalytic Carbon Filt
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Express Water – Kinetic Degradation Fluxion Replacement Filter – KDF Catalytic Carbon Large Capacity Water Filter – Whole House Heavy Metal Filtration – 4.5” x 20” inch - Walmart.com
SP30-KDF1-4510 Whole House Sediment & KDF Water Filter Set, 30 Micron — iFilters