Today's Best Water Softener And Filter Deals On Amazon
Prices as of Nov 4, 2026, 7:08 PM ETDetails
Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
-
-8%
AquasureAquasure Harmony Series 32,000 Grains Whole House Water Softener with High Performance Automatic Digital Metered Control Head | Reduces Hardness and Improves Water Quality | for 1-2 bathrooms
$523.29List:See Deal On Amazon$569.99 -
-12%
AquasureAquasure Harmony Series 50,000 Grains Whole House Water Softener with Automatic Digital Metered Control Head | Fine Mesh Resin for Iron Removal, Reduces Hardness & Improves Water | for 3-4 bathrooms
$749.99List:See Deal On Amazon$849.99 -
-15%
iSpringiSpring RCC7AK-BN NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink Patented Top-Mounted Faucet Design for Easy Installation
Limited time deal, ends Nov 11$199.99Was:See Deal On Amazon$234.99 -
-15%
iSpringiSpring RCC7-BN NSF Certified, High Capacity Under Sink 5-Stage Reverse Osmosis Water Filter, RO Drinking System, 75 GPD Brushed Nickel Faucet, Patented Top-Mounted Faucet Design for Easy Installation
Limited time deal, ends Nov 18$188.09List:See Deal On Amazon$219.99 -
-19%
WaterdropWaterdrop G3P600 Tankless Reverse Osmosis Water Filter System Silver Faucet | NSF/ANSI 42 & 53 & 58 & 372 Certified, 8-Stage RO Water Filtration System Under-Sink, 2:1 Pure to Drain, Smart LED Faucet
$439.00List:See Deal On Amazon$539.00 -
-10%
DREODREO Reverse Osmosis Water Filter Countertop, RO Filtration System, 3:1 Pure to Drain, TDS & Filter Life & Autofill Pitcher, Installation-Free, Self-Cleaning Water Purifier, RO Water Filter
Limited time deal, ends Nov 11$152.99List:See Deal On Amazon$169.99 -
-15%
iSpringiSpring RCC7AK-BLK, NSF/ANSI 58 Certified, Alkaline 6-Stage Reverse Osmosis System with Stylish Black RO Faucet, pH+ Remineralization RO Water Filter System Under Sink
Limited time deal, ends Nov 11$213.43Was:See Deal On Amazon$249.99 -
-15%
iSpringiSpring RCC7AK-UV, NSF 58&372 Certified, 7-Stage Reverse Osmosis Water Filter System with Alkaline and LED UV Filter, Patented Top-Mounted Faucet Design for Easy Installation
Limited time deal, ends Nov 18$282.14Was:See Deal On Amazon$329.99 -
-12%
WaterdropWaterdrop G5P500A Reverse Osmosis System, 8-Stage RO Filtration, Alkaline | NSF/ANSI 58 & 372 Certified, Alkaline Mineral pH+, Tankless RO Water Filter, 500 GPD, 2:1 Pure to Drain, Reduce TDS
$229.99List:See Deal On Amazon$259.99 -
-26%
PureDropPureDrop RTW5 5-Stage Reverse Osmosis Water Filter System | 5-Stage RO Filtration, 50 GPD, Top-Mount Faucet, 3 Extra Pre-Filters, No Electricity
$117.74List:See Deal On Amazon$159.99 -
-22%
APEC WATERAPEC Water ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD | NSF/ANSI 372 & 58 Certified, RO Drinking Water Filter with Tank, Reduces 99% of Impurities, Brushed Nickel Faucet
$179.99List:See Deal On Amazon$230.99 -
-10%
EXPRESS WATERExpress Water Whole House Water Filter System, Ultimate Protection, 3-Stage | Reduces Lead, Arsenic, Chromium, Heavy Metals, Chlorine, Anti-Scale Protection, Pressure Release Buttons & 3 Gauges
$443.15Was:See Deal On Amazon$493.19
What Counts As A Real Black Friday Water Softener And Filter Deal?
Water treatment prices hide a lot in the details. A cheaper system with expensive replacement filters can cost more over two years than a pricier one.
What to check:
- For softeners, grain capacity: a 32,000 grain unit and a 50,000 grain unit serve different household sizes.
- For reverse osmosis, the stage count and certification, such as NSF/ANSI 58.
- Flow rate, since tankless RO units differ from tank-based ones.
- Replacement filter cost and how often each stage needs changing.
- Whether installation parts and a faucet are included.
Test your water first. A softener fixes hardness but does nothing for lead or chlorine, which is a filter job.
Which Water Softener And Filter Should You Buy?
The snapshot has whole-house softeners from Aquasure, under-sink and countertop reverse osmosis systems from iSpring, Waterdrop, APEC and DREO, and a whole-house filter from Express Water. Choose the problem first, then the unit.
| Type | Suits | Watch for |
|---|---|---|
| Whole-house softener (32,000 to 50,000 grain) | Hard water scale on pipes and appliances | Salt refills, space for the tank |
| Under-sink reverse osmosis | Drinking and cooking water | Wastewater and filter changes |
| Tankless RO | Compact cabinets, faster flow | Needs power for the pump |
| Countertop RO | Renters, no plumbing | Takes counter space |
| Whole-house filter | Sediment and chlorine for every tap | Does not soften water |
Check that the system fits your cabinet and pipe size. 12 of the 12 items currently carry a discount.
When Do Water Softener And Filter Deals Drop?
Black Friday is Friday, November 27, 2026, followed by Cyber Monday on November 30. Amazon has not announced its 2026 Black Friday Week dates, though its 2025 run was November 20 to December 1.
Water systems are heavy, big-ticket items, and sellers often cut prices across the whole of November. Early Black Friday deals are live now on Amazon, and some listings show a Limited time deal badge with an end date.
Amazon has no competitor price match, so a cheaper unit at Walmart (November 23 to 29) will not be honored. We check live prices daily.
Frequently Asked Questions
Is a water softener the same as a water filter?
No. A softener removes hardness minerals, while a filter removes contaminants such as chlorine and sediment.
What grain capacity do I need?
It depends on household size and water hardness. A larger unit regenerates less often in a bigger home.
Is reverse osmosis worth it?
For drinking water quality, many households find it is. Account for filter replacements and wastewater.
Can I install a softener myself?
Some people do, but plumbing skills help. Hire a plumber if you are unsure.
More Tools And Home Improvement Deals
Black Friday Power Tool Deals11 deals, up to 56% off
Black Friday Lawn And Garden Deals12 deals, up to 36% off
Black Friday Gun Safe Deals5 deals, up to 25% off
Black Friday Tool Chest Deals7 deals, up to 20% off
Black Friday Flooring And Carpet Deals6 deals, up to 20% off
Black Friday Shop Vac Deals11 deals, up to 42% off
Black Friday Saw Deals12 deals, up to 38% off
Black Friday Ladder Deals10 deals, up to 28% off