Water Filtration & Softeners Deals & Discounts | Top Amazon US Offers January 2026

Hot Dealsin Water Filtration & Softeners

Limited time offersUS

30% off

LIGHTNING DEAL

Waterdrop LED UV͎ Ultrąviolët Water Filter for Under Sink Water Filter System and Reverse Osmosis System, Reduce up to 99.9% of Baçtёria, Mercury-Free, FCC Certified, Stainless Steel, 50 Year Life Tim

$90.76$129.99Save $39.23

Deal runs: 6/21/2025 - 6/22/2025

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50% off

LIGHTNING DEAL

Stokk Tankless Reverse Osmosis System, 8 Stage Reverse Osmosis Water Filter, NSF/ANSI 58&42&372 Under Sink RO System, 2.5:1 Pure to Drain, Smart LED Faucet, Reduce PFAS, 600 GPD, S1 Plus White

$199.99$399.0Save $199.01

Deal runs: 6/21/2025 - 6/22/2025

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15% off

LIGHTNING DEAL

SimPure Q3-600 Tankless Reverse Osmosis System, Under Sink Water Filter System 600 GPD, 7 Stage Electric RO Water Filtration, Reduce 95% TDS, 2:1 Pure to Drain, USA Tech, NSF/ANSI 58 Certified, FCC

$169.99$199.99Save $30.0

Deal runs: 6/21/2025 - 6/22/2025

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33% off

BEST DEAL

Stokk UC50 Under Sink Water Filter, Reduces Lead, Chlorine, Bad Taste & Odor, 26000 Gallons Under Counter Water Filter Systems Direct Connect to Kitchen Faucet, NSF/ANSI 372& 42& 53

$39.99$59.99Save $20.0

Deal runs: 6/15/2025 - 6/22/2025

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24% off

BEST DEAL

VEVOR Purifier UV water, 12 W, 1 GPM, 110 V, versatile ultraviolet water purification filter with stainless steel housing, UV water filter for the whole house with quartz sleeve

$37.79$49.99Save $12.2

Deal runs: 6/8/2025 - 6/23/2025

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25% off

LIGHTNING DEAL

TOKIT T1 Ultra Reverse Osmosis Water Filter Countertop Dual UV Cold & Hot Water Dispenser 5℃ Cooling and Instant Heating RO Water Filtration System 8 Temp Choice, NSF/ANSI 58, No Installation for Home

$449.98$599.99Save $150.01

Deal runs: 6/16/2025 - 6/17/2025

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28% off

LIGHTNING DEAL

VonWater CT910H Reverse Osmosis Water Filter Countertop, 3S Instant Hot RO Water Filtration System, 7-Stage Water Purifier with Removable Pitcher, NSF/ANSI 372, Reduce TDS PFAS, No Installation

$287.99$399.99Save $112.0

Deal runs: 6/16/2025 - 6/17/2025

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15% off

LIGHTNING DEAL

SimPure 5 Micron 10" x 2.5" Whole House Carbon Sediment Water Filter Cartridge Replacement for Home Under-Sink & Countertop Filtration System

$23.79$27.99Save $4.2

Deal runs: 6/16/2025 - 6/17/2025

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25% off

LIGHTNING DEAL

Waterdrop TSB-ALK 8 Layer High Capacity Slightly Alkaline Under Sink Water Filter, Reduces PFAS, PFOA/PFOS, Fluoride, Chlorine, Bad Taste & Odor, with Dedicated Faucet, Under Sink Water Filter

$111.99$149.99Save $38.0

Deal runs: 6/16/2025 - 6/17/2025

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10% off

BEST DEAL

Waterdrop Water Filter for Sink Faucet, NSF Certified Water Purifier, 320 Gallon Tap Water Filter for Kitchen Sink, Reduces Chlorine, Lead-Free Material, Faucet Mount Water Filtration System, 1 Filter

$17.58$19.59Save $2.01

Deal runs: 6/16/2025 - 6/23/2025

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10% off

BEST DEAL

PUREPLUS 2-Stage Whole House Water Filtration System, 10" Universal Clear Housing, with Sediment, Carbon Block Filter, Reduce Chlorine, Taste, Odor, Includes Pressure Gauges, 1" Inlet/Outlet

$132.29$146.99Save $14.7

Deal runs: 6/16/2025 - 6/23/2025

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15% off

LIGHTNING DEAL

SimPure Whole House Water Filter System, 3 Stages Clear Home Water Pre-Filtration with Carbon Sediment and KDF Filters, Reduce Iron, Chlorine, Manganese, Lead, Heavy Metals(DB20P-3KDF)

$280.49$329.99Save $49.5

Deal runs: 6/16/2025 - 6/17/2025

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50% off

BEST DEAL

12 Pack BBT BAMBOOST Water Bottle Filter, Replacement for Brita BB06, BPA-Free, Replaces 1,800 Plastic Water Bottles a Year, Hard Sided and Stainless Steel Bottle Filter

$14.99$29.99Save $15.0

Deal runs: 6/4/2025 - 6/18/2025

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50% off

BEST DEAL

Sobana Outdoor Water Softener Insulated Cover,Waterproof Cover for Water Softener to Prevent Sweating(Plush Lining,Black)

$19.99$39.99Save $20.0

Deal runs: 6/7/2025 - 6/21/2025

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15% off

BEST DEAL

Express Water 3 Year Reverse Osmosis System Replacement Filter Set 21 Filters, Carbon GAC, ACB, PAC, Sediment SED 10 inch Size

$76.5$89.99Save $13.49

Deal runs: 6/9/2025 - 6/22/2025

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14% off

BEST DEAL

600GPD Reverse Osmosis System, MIZUDO Pureflo 8-Stage Tankless Reverse Osmosis Water Filter, NSF/ANSI 372&58&42 Certified, 3:1 RO Filtration System Under Sink, Leak-Free, Quiet, Reduce PFAS&Fluoride

$298.99$349.0Save $50.01

Deal runs: 6/5/2025 - 6/19/2025

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15% off

BEST DEAL

KOVIET CF01 Reverse Osmosis Countertop Water Filter, 8 Stage Nano RO Water Filtration System, Home Water Purifier, 4:1 Pure to Drain Ratio, No Installation Required, Grey

$169.97$199.99Save $30.02

Deal runs: 6/5/2025 - 6/19/2025

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20% off

BEST DEAL

TOKIT Reverse Osmosis Water Filter, U1 Alkaline Mineral Under Sink Water Filter System, 400GPD Tankless RO Filtration with Faucet, NSF/ANSI 58, 2:1 Pure to Drain, Reduce TDS

$159.99$199.99Save $40.0

Deal runs: 6/4/2025 - 6/18/2025

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10% off

BEST DEAL

PUREPLUS 20-Inch 3-Stage Whole House Water Filter, Home Filtration System | Pleated Pre-Filter, Activated Carbon & Iron-Manganese Reducing | Built-in Pressure Gauges, with Steel Stand Frame

$278.99$309.99Save $31.0

Deal runs: 6/9/2025 - 6/16/2025

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25% off

BEST DEAL

Ecoviva Under Sink Reverse Osmosis System, Fast Dispense Mode, No Drilling Required, 8-Stage Water Filtration System, 600 GPD Water Purifier, 2.5:1 Pure to Drain, Reduce PFAS, NSF/ANSI 58 Certified

$179.99$239.09Save $59.1

Deal runs: 6/9/2025 - 6/16/2025

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25% off

BEST DEAL

Under Sink Water Filter System, Under Sink Water Filtration NSF/ANSI 42/372 Certified, Reduces PFOA/PFOS, Chlorine, Lead, Bad Tastes, Connect to Kitchen Faucet, 8K Gallons, UWF0A-PC, White

$44.99$59.99Save $15.0

Deal runs: 6/2/2025 - 6/16/2025

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44% off

LIGHTNING DEAL

SimPure Y10H Instant Hot Reverse Osmosis Water Filter Countertop, 6-Stage RO Water Filtration System, Heating Water Dispenser with Safety Lock, BPA-Free Portable Pitcher, No Installation

$249.98$449.99Save $200.01

Deal runs: 6/13/2025 - 6/14/2025

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14% off

BEST DEAL

EcoPure Main Faucet Under Sink Water Filtration System (EPWUFF) | NSF Certified | No Additional Faucet Required | Cleaner Water from Your Existing Kitchen or Bath Faucet,White

$46.2$53.84Save $7.64

Deal runs: 6/2/2025 - 6/15/2025

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37% off

LIGHTNING DEAL

VonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53, Reduce TDS PFAS, 5 Volume Settings, 3:1 Pure to Drain CT910

$189.99$299.99Save $110.0

Deal runs: 6/13/2025 - 6/14/2025

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10% off

BEST DEAL

CO-Z Gravity-Fed Water Filter System, 2.25 Gallons Countertop Water Filtration System, 304 Stainless Steel Gravity Water Purifier with 2 Carbon Filters & Water Spigot, NSF/ANSI 42 Certification

$80.61$89.99Save $9.38

Deal runs: 6/2/2025 - 6/16/2025

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19% off

BEST DEAL

Countertop Reverse Osmosis Water Filter System with UV, 5-Stage Filtration, Portable Instant Hot Water, No Installation, Adjustable Temperature and Volume Settings, Blue

$104.99$129.99Save $25.0

Deal runs: 6/9/2025 - 6/16/2025

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20% off

BEST DEAL

Weisswasser Whole House Water Filter System - Multi-Stage Carbon & Sediment Filtration for Chlorine, Rust, Taste & Odor Removal, 100K Gal/1-Yr, 15 GPM, City/Well Water, WCP03.BH01

$151.99$189.99Save $38.0

Deal runs: 5/31/2025 - 6/14/2025

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25% off

BEST DEAL

KOVIET Reverse Osmosis System, 10-Stage 600 GPD Tankless Reverse Osmosis Water Filter, Under Sink RO Water Filtration System with Smart LED Faucet, NSF/ANSI 42 & 58 Certified, 3:1 Pure to Drain

$224.99$299.99Save $75.0

Deal runs: 6/8/2025 - 6/15/2025

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34% off

BEST DEAL

CO-Z Reverse Osmosis Water Filter Countertop, 5-Stage RO Water Filtration System, Portable Water Purifier Dispenser with 3 Preset Volume Options, 4:1 Pure to Drain, NSF/ANSI 58, No Installation

$197.99$299.99Save $102.0

Deal runs: 6/2/2025 - 6/16/2025

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32% off

BEST DEAL

SimPure Y7P-W UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, 4: 1 Pure to Drain, BPA Free (No Installation Required)

$249.99$369.99Save $120.0

Deal runs: 5/31/2025 - 6/14/2025

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Deals are time-limited. Prices and availability are accurate as of the date/time indicated and are subject to change.

Hot Dealsin Water Filtration & Softeners

Waterdrop LED UV͎ Ultrąviolët Water Filter for Under Sink Water Filter System and Reverse Osmosis System, Reduce up to 99.9% of Baçtёria, Mercury-Free, FCC Certified, Stainless Steel, 50 Year Life Tim

Stokk Tankless Reverse Osmosis System, 8 Stage Reverse Osmosis Water Filter, NSF/ANSI 58&42&372 Under Sink RO System, 2.5:1 Pure to Drain, Smart LED Faucet, Reduce PFAS, 600 GPD, S1 Plus White

SimPure Q3-600 Tankless Reverse Osmosis System, Under Sink Water Filter System 600 GPD, 7 Stage Electric RO Water Filtration, Reduce 95% TDS, 2:1 Pure to Drain, USA Tech, NSF/ANSI 58 Certified, FCC

Stokk UC50 Under Sink Water Filter, Reduces Lead, Chlorine, Bad Taste & Odor, 26000 Gallons Under Counter Water Filter Systems Direct Connect to Kitchen Faucet, NSF/ANSI 372& 42& 53

VEVOR Purifier UV water, 12 W, 1 GPM, 110 V, versatile ultraviolet water purification filter with stainless steel housing, UV water filter for the whole house with quartz sleeve

TOKIT T1 Ultra Reverse Osmosis Water Filter Countertop Dual UV Cold & Hot Water Dispenser 5℃ Cooling and Instant Heating RO Water Filtration System 8 Temp Choice, NSF/ANSI 58, No Installation for Home

VonWater CT910H Reverse Osmosis Water Filter Countertop, 3S Instant Hot RO Water Filtration System, 7-Stage Water Purifier with Removable Pitcher, NSF/ANSI 372, Reduce TDS PFAS, No Installation

SimPure 5 Micron 10" x 2.5" Whole House Carbon Sediment Water Filter Cartridge Replacement for Home Under-Sink & Countertop Filtration System

Waterdrop TSB-ALK 8 Layer High Capacity Slightly Alkaline Under Sink Water Filter, Reduces PFAS, PFOA/PFOS, Fluoride, Chlorine, Bad Taste & Odor, with Dedicated Faucet, Under Sink Water Filter

Waterdrop Water Filter for Sink Faucet, NSF Certified Water Purifier, 320 Gallon Tap Water Filter for Kitchen Sink, Reduces Chlorine, Lead-Free Material, Faucet Mount Water Filtration System, 1 Filter

PUREPLUS 2-Stage Whole House Water Filtration System, 10" Universal Clear Housing, with Sediment, Carbon Block Filter, Reduce Chlorine, Taste, Odor, Includes Pressure Gauges, 1" Inlet/Outlet

SimPure Whole House Water Filter System, 3 Stages Clear Home Water Pre-Filtration with Carbon Sediment and KDF Filters, Reduce Iron, Chlorine, Manganese, Lead, Heavy Metals(DB20P-3KDF)

12 Pack BBT BAMBOOST Water Bottle Filter, Replacement for Brita BB06, BPA-Free, Replaces 1,800 Plastic Water Bottles a Year, Hard Sided and Stainless Steel Bottle Filter

Sobana Outdoor Water Softener Insulated Cover,Waterproof Cover for Water Softener to Prevent Sweating(Plush Lining,Black)

Express Water 3 Year Reverse Osmosis System Replacement Filter Set 21 Filters, Carbon GAC, ACB, PAC, Sediment SED 10 inch Size

600GPD Reverse Osmosis System, MIZUDO Pureflo 8-Stage Tankless Reverse Osmosis Water Filter, NSF/ANSI 372&58&42 Certified, 3:1 RO Filtration System Under Sink, Leak-Free, Quiet, Reduce PFAS&Fluoride

KOVIET CF01 Reverse Osmosis Countertop Water Filter, 8 Stage Nano RO Water Filtration System, Home Water Purifier, 4:1 Pure to Drain Ratio, No Installation Required, Grey

TOKIT Reverse Osmosis Water Filter, U1 Alkaline Mineral Under Sink Water Filter System, 400GPD Tankless RO Filtration with Faucet, NSF/ANSI 58, 2:1 Pure to Drain, Reduce TDS

PUREPLUS 20-Inch 3-Stage Whole House Water Filter, Home Filtration System | Pleated Pre-Filter, Activated Carbon & Iron-Manganese Reducing | Built-in Pressure Gauges, with Steel Stand Frame

Ecoviva Under Sink Reverse Osmosis System, Fast Dispense Mode, No Drilling Required, 8-Stage Water Filtration System, 600 GPD Water Purifier, 2.5:1 Pure to Drain, Reduce PFAS, NSF/ANSI 58 Certified

Under Sink Water Filter System, Under Sink Water Filtration NSF/ANSI 42/372 Certified, Reduces PFOA/PFOS, Chlorine, Lead, Bad Tastes, Connect to Kitchen Faucet, 8K Gallons, UWF0A-PC, White

SimPure Y10H Instant Hot Reverse Osmosis Water Filter Countertop, 6-Stage RO Water Filtration System, Heating Water Dispenser with Safety Lock, BPA-Free Portable Pitcher, No Installation

EcoPure Main Faucet Under Sink Water Filtration System (EPWUFF) | NSF Certified | No Additional Faucet Required | Cleaner Water from Your Existing Kitchen or Bath Faucet,White

VonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53, Reduce TDS PFAS, 5 Volume Settings, 3:1 Pure to Drain CT910

CO-Z Gravity-Fed Water Filter System, 2.25 Gallons Countertop Water Filtration System, 304 Stainless Steel Gravity Water Purifier with 2 Carbon Filters & Water Spigot, NSF/ANSI 42 Certification

Countertop Reverse Osmosis Water Filter System with UV, 5-Stage Filtration, Portable Instant Hot Water, No Installation, Adjustable Temperature and Volume Settings, Blue

Weisswasser Whole House Water Filter System - Multi-Stage Carbon & Sediment Filtration for Chlorine, Rust, Taste & Odor Removal, 100K Gal/1-Yr, 15 GPM, City/Well Water, WCP03.BH01

KOVIET Reverse Osmosis System, 10-Stage 600 GPD Tankless Reverse Osmosis Water Filter, Under Sink RO Water Filtration System with Smart LED Faucet, NSF/ANSI 42 & 58 Certified, 3:1 Pure to Drain

CO-Z Reverse Osmosis Water Filter Countertop, 5-Stage RO Water Filtration System, Portable Water Purifier Dispenser with 3 Preset Volume Options, 4:1 Pure to Drain, NSF/ANSI 58, No Installation

SimPure Y7P-W UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, 4: 1 Pure to Drain, BPA Free (No Installation Required)

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