Hot Dealsin Water Filtration & Softeners
Limited time offersUS
10% off
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BEST DEAL
Geekpure 5-Stage Reverse Osmosis RO Drinking Water Filter System with Extra 7 Filters-75 GPD
$143.72$159.69Save $15.97
Deal runs: 6/23/2025 - 7/1/2025
10% off
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BEST DEAL
HOMELODY 3.0 Water Filter for Sink Faucet - Upgraded LED Display 3000-4000L Faucet Mount Tap Water Filter Reduces Lead Chlorine Heavy Metals, Fits Most Standard US Faucets
$31.49$34.99Save $3.5
Deal runs: 6/23/2025 - 7/7/2025
10% off
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BEST DEAL
Geekpure 20 Inch Carbon Block Water Filter Reduce Chlorine Taste Odors for Whole House Filtration- 4.5 Inch x 20 Inch -5 Micron
$84.59$93.99Save $9.4
Deal runs: 6/23/2025 - 7/3/2025
14% off
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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
$298.98$349.0Save $50.02
Deal runs: 6/26/2025 - 7/10/2025
15% off
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BEST DEAL
Hydronix HF2-10WHBK12 10" White Water Filter Housing with Black Cap for RO Whole House Filtration - 1/2" Ports
$17.0$19.95Save $2.95
Deal runs: 6/23/2025 - 7/6/2025
15% off
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BEST DEAL
Hydronix HX-HF3-10WHWH34 10" White Housing Rib Cap for RO & Filtration Systems, 3/4" Ports
$17.0$19.94Save $2.94
Deal runs: 6/23/2025 - 6/29/2025
16% off
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BEST DEAL
Geekpure 4 Stage Portable Aquarium Reverse Osmosis RO Drinking Water Filtration System 100 GPD - with DI Filter TDS Close to 0 ppm
$55.69$65.99Save $10.3
Deal runs: 6/23/2025 - 7/7/2025
22% off
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BEST DEAL
CO-Z Water Filter Replacements, 2 Activated Carbon Water Filters for Gravity Filtration System, Black Purification Elements Purifier Replacements for Home Travel Outdoor, NSF/ANSI 42 Certified
$27.99$35.99Save $8.0
Deal runs: 6/23/2025 - 7/7/2025
18% off
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BEST DEAL
KOVIET U1 Pro Reverse Osmosis System, 800GPD Tankless Reverse Osmosis Water Filter, 10-Stage Under Sink RO Water Filtration System, NSF/ANSI 42&58 Certified with Smart LED Faucet, 3:1 Pure to Drain
$269.99$329.99Save $60.0
Deal runs: 6/26/2025 - 7/3/2025
19% off
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LIGHTNING DEAL
Waterspecialist Water Filters, Reduce TDS, Compatible with Water Pitcher and Dispenser, NSF/ANSI 42&372 Certified, Reduce Chlorine, and More (Pack of 4)
$38.98$47.99Save $9.01
Deal runs: 6/26/2025 - 6/27/2025
15% off
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BEST DEAL
Hydronix UDF-10 Coconut GAC Water Filter for Reverse Osmosis, Undersink or Countertop Drinking Systems 2.5" x 10"
$8.5$9.95Save $1.45
Deal runs: 6/16/2025 - 6/29/2025
10% off
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BEST DEAL
Dreo Reverse Osmosis Water Filter Countertop, 7-Stage RO Filtration System, Installation-Free, Reduce TDS, Water Purifier with Portable Pitchers for Home, Kitchen, 3:1 Pure to Drain, WF511 Upgraded
$359.99$399.99Save $40.0
Deal runs: 6/14/2025 - 6/28/2025
20% off
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BEST DEAL
Reverse Osmosis Countertop Water Filter, NSF/ANSI 58 Certified, 7-Stage Purification System, 3:1 Purified to Waste Ratio, BPA-Free Home Water Purifier, No Installation Required
$159.99$199.99Save $40.0
Deal runs: 6/14/2025 - 6/28/2025
15% off
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BEST DEAL
Aqua-Pure AP817-2 5602721 WF CTG CTO Whole House Replacement Filter
$115.7$136.06Save $20.36
Deal runs: 6/16/2025 - 6/29/2025
15% off
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BEST DEAL
Culligan Essential Water Lab Test Kit, No Size, White
$44.8$52.85Save $8.05
Deal runs: 6/16/2025 - 6/30/2025
20% off
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BEST DEAL
2.25G Gravity Water Filter System with New Water Level Window, 3-Stage 0.01μm Ultra-Filtration Stainless Steel Countertop System with 4 Filters Sand Stand, Reduce 99.9% Chlorine and Fluoride
$150.39$187.99Save $37.6
Deal runs: 6/14/2025 - 6/28/2025
20% off
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BEST DEAL
3.0 Gallon Gravity Water Filtration System - Cobectal 304 Stainless Steel Gravity Water Purifier - 8-Stage Countertop System with 4 Filters and Stand, Reduce 99.9% Chlorine
$91.19$113.99Save $22.8
Deal runs: 6/25/2025 - 7/9/2025
23% off
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BEST DEAL
Reverse Osmosis Water Filter, Water Purifier, 8-Stage RO Filtration System, Portable Water Purifier Countertop, White
$169.99$219.99Save $50.0
Deal runs: 6/23/2025 - 7/7/2025
28% off
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BEST DEAL
Reverse Osmosis Water Filter Countertop, 5 Stage Ro Water Filtration System with Remineralization Glass Pitcher, 4:1 Pure to Drain, TDS Real-Time Displaying, 4L Capacity Tank for Home Office
$144.39$199.99Save $55.6
Deal runs: 6/23/2025 - 7/7/2025
30% off
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BEST DEAL
1000GPD Tankless Reverse Osmosis System, MIZUDO Megaflo Mini 8-Stage RO Water Filter Under Sink, 3-Year Filter Life, Anti-Leakage, 3:1 Pure to Drain, NSF/ANSI Certified, Lamp Ring Faucet
$418.99$599.99Save $181.0
Deal runs: 6/21/2025 - 7/5/2025
44% off
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BEST DEAL
Camco TastePURE Portable Water Softener | Helps Reduce The Hardness of Your RV or Boat's Water | Features a Compact Design (40655)
$145.34$257.99Save $112.65
Deal runs: 6/23/2025 - 7/7/2025
50% off
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BEST DEAL
JOBYNA Electronic Water Descaler System, Alternative Chemical and Salt Free Water Softener Systems Whole House, Prevents Scale Build-up in Pipe, 3 Installation Methods, Works with All Pipes
$49.99$99.98Save $49.99
Deal runs: 6/25/2025 - 7/9/2025
54% off
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BEST DEAL
HOMELODY Water Filter for Sink Faucet 3.0 - Upgraded LED Display 3000-4000L Faucet Mount Water Tap Filter Reduces Lead Chlorine Heavy Metals, Faucet Water Filter Fits Most Standard US Faucets
$31.99$69.99Save $38.0
Deal runs: 6/23/2025 - 7/7/2025
24% off
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BEST DEAL
Filterlogic Faucets Filter Cartridge, Replacement for Brita® Faucet Filter, Tap Water Filtration System, FR-200, FF-100, White (Pack of 2)
$15.29$19.99Save $4.7
Deal runs: 6/23/2025 - 6/30/2025
40% off
![[Alkaline] Waterdrop Water Filter for Sink Faucet, Filter Life Reminder, 320 Gallon Tap Water Filter for Kitchen Sink, NSF Certified Reduces Chlorine, Faucet Mount Water Filtration System, 1 Filter](https://m.media-amazon.com/images/I/618SAVk5-jL.jpg)
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BEST DEAL
[Alkaline] Waterdrop Water Filter for Sink Faucet, Filter Life Reminder, 320 Gallon Tap Water Filter for Kitchen Sink, NSF Certified Reduces Chlorine, Faucet Mount Water Filtration System, 1 Filter
$29.99$49.99Save $20.0
Deal runs: 6/23/2025 - 6/30/2025
16% off
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BEST DEAL
2-pack Faucets Filter Cartridge Replacement, Compatible with Brita® Faucet Water Filtration System, Brita® 36311, 36313, FR-200, FF-100
$15.1$17.98Save $2.88
Deal runs: 6/23/2025 - 6/30/2025
24% off
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LIGHTNING DEAL
3 Packs Pitcher Water Filter Replacement for All PUR®, PUR® Plus Pitcher and Dispenser Filtration Systems, CRF950Z, PPF951K, PPF900Z, NSF Certified, AQUA CREST
$14.38$18.99Save $4.61
Deal runs: 6/26/2025 - 6/27/2025
25% off
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BEST DEAL
Membrane Solutions 5 Micron 2.5" x 10" CTO Carbon Block Water Filter Cartridge Replacement for Whole House Filtration Systems, Compatible with WFPFC8002, WFPFC9001, FXWTC, WHKF-WHWC, 6-Pack
$29.98$39.99Save $10.01
Deal runs: 6/23/2025 - 7/1/2025
10% off
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BEST DEAL
Hskyhan Alkaline Water Filter - Replacement Pitcher Water Filters, Cartridge Improve PH, 7 Stage Filteration System To Purify, 2 Pack
$15.29$16.99Save $1.7
Deal runs: 6/23/2025 - 6/30/2025
14% off
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BEST DEAL
Membrane Solutions Reverse Osmosis Membrane 50 GPD 11.75"x1.75" RO Membrane Water Filter Replacement Fits Under Sink RO Drinking Water Purifier System 1-Pack
$18.99$21.99Save $3.0
Deal runs: 6/23/2025 - 6/30/2025
Deals are time-limited. Prices and availability are accurate as of the date/time indicated and are subject to change.