Waterdrop A2RF-RO Water Filter for WD-A2 Countertop RO System Waterdrop X series then hold the dispense button

then hold the dispense button for 3 seconds to reset

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This filter is adaptive to WD-KJ-600 & WD-K6-W

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The in-built LED and TDS sensors become active when the faucet is on

Waterdrop A2RF-RO Water Filter for WD-A2 Countertop RO System Waterdrop X series then hold the dispense buttonCompatible for A2 RO System Effectively reduce TDS, PFAS, Chlorine, Fluoride, Lead, Copper, Sediment, Salt and more. A2 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 4 in 1 composite design saves 4000+ plastic bottled water per year and only