Waterdrop C1RFG Replacement Filter for C1S and C1SL Countertop CoreRO System Basic you need the reverse osmosis

you need the reverse osmosis tank

You can stop wasting money on bottled water

according to the product information

vis-overview-block-attestation-content-info-text-1 { width: unset

bottom-block { gap: 16px

Waterdrop C1RFG Replacement Filter for C1S and C1SL Countertop CoreRO System Basic you need the reverse osmosisCompatible for WD C1SL Countertop Reverse Osmosis Water Dispenser Effectively reduce TDS, PFOA, PFOS, Chlorine, Fluoride, Lead, Copper, Sediment, Salt and more. C1SL RO System Lifespan 12 Months Enjoy 12 month long lasting protection without the frequent hassle and high cost of replacements. NoticeThe actual life is affected by water quality. Clean water supply 528 Gallons This reverse osmosis replacement water filter's 6 in 1 composite design saves