12-Pack Replacement iSpring CKC1C Activated Carbon Block Filter - Universal 10 inch Filter for iSpring 123Filter Portable Clear Single-Stage Countertop System #CKC1C - Denali Pure Brand. Replacement iSpring CKC1C Activated Carbon Block Filter, Quantity: 12. Replacement iSpring CKC1C Activated Carbon Block Filter. NSF certified, coconut shell carbon, universal 10 inch activated carbon block filter. Improves taste and clarity while retaining beneficial nutrients by reducing chlorine, fine sediment, odor, silt, rust. Removes undesirable and possibly harmful waterborne contaminants, particles, chemicals and microorganism. Reduce water bottle waste and save money while also helping the environment by using water filters. For the highest quality water and best contaminant reduction replace the filter every 6 months. On Sale for a Limited Time!. 12-Pack Universal 10 inch Activated Carbon Block Filter for iSpring CKC1C - Works with iSpring 123Filter Portable Clear Single-Stage Countertop System #CKC1C - Denali Pure Brand. Please note: This is an Denali Pure brand replacement part, not an OEM product. This product is not affiliated with any OEM brands and is not covered under any warranties offered by the original manufacturers. Any warranties for this product are offered solely by Denali Pure. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names and logos are registered trademarks of their respective owners.