10 bestCountertop Water Filtersof July 2025
112M consumers helped this year.
1

Culligan ZeroWater 23-Cup Ready-Pour 5-Stage Water Filter Dispenser with 5-Stage 0 TDS Water Filter – IAPMO Certified to Reduce Lead, Chromium, and PFOA/PFOS
ZeroWater

9.8
17% off
2

SimPure Y7P-W Countertop Reverse Osmosis Water Filtration Purification System, 4 Stage RO Water Filter, Bottleless Water Dispenser, 4: 1 Pure to Drain (No Installation Required)
SimPure

9.6
3

AquaTru Connect Countertop Water Filter Purification System with Exclusive 4 - Stage Ultra Reverse Osmosis Technology (No Plumbing or Installation Required) | BPA Free
AQUA TRU

9.3
11% off
4

Brita Hub Instant Powerful Countertop Water Filter System, 12 Cup Water Reservoir, Includes 6 Month Carbon Block Filter, White, 87340C
Hamilton Beach

9.0
10% off
5

Waterdrop Electric Water Filter Pitcher, Dispenser, 200-Gallon, 5X Times Long-Life Water Purifier, NSF/ANSI 401&53&42, Reduce PFAS, Lead, Chlorine, 15-Cup, White, with 1 Filter, Does not Lower TDS
Waterdrop

8.8
Other
6

Airthereal Pristine Lite3 Reverse Osmosis Countertop Water Filter - 5 Stage Purification for Pure and Safe Drinking Water, Counter RO Filtration, 3:1 Pure to Drain, Purified Tap Water
AIRTHEREAL

8.5
7

AQUA CREST Gravity Water Filter System, 304 Stainless Steel Countertop System with 4 Filters and Anti-Slip Stand, Reduce Fluoride and Chlorine, 2.25G, for Home, Camping, RVing, Off-Grid, Emergencies
AQUA CREST

8.2
8

Waterdrop 1.5 Gallon Countertop Water Filtration System, NSF/ANSI 42&372 Certified Black Carbon Elements, Reduce Lead and Up to 99% Chlorine, for Home, RVing, Camping, Off-Grid
Waterdrop

7.9
9

PHILIPS GoZero Next-gen Instant Water Filter Pitcher, Rechargeable Battery, Mirco-X Clean Technology, 3L 12 Cups, 1L/min Fast Flow, Countertop Filtered Water Purifier Jug for Tap Water, 3 Filters
PHILIPS

7.6
10

APEC Filter-MAXCTOP-PH US Made 90 GPD Complete Replacement Filter Set for Ultimate Series Countertop Alkaline Reverse Osmosis Water Filter System
APEC WATER

7.3
A Guide to Selecting the Best Countertop Water Filters
Choosing a countertop water filter can make a big difference in the taste, safety, and convenience of your drinking water. The right filter for you depends on your water quality, how much water you use, and your kitchen setup. It's important to understand the main features and specifications so you can match a filter to your needs and ensure you get clean, great-tasting water every day.
Filtration Technology
Filtration technology refers to the method the filter uses to clean your water. Common types include activated carbon, ceramic, reverse osmosis, and multi-stage filters. This is important because different technologies remove different contaminants. Activated carbon is good for improving taste and removing chlorine, while reverse osmosis can remove a wider range of impurities, including heavy metals and some bacteria. If your water is already treated and you just want better taste, a simple carbon filter may be enough. If you have concerns about specific contaminants, look for a filter that targets those.
Contaminant Removal
This spec tells you what types of impurities the filter can remove, such as chlorine, lead, bacteria, pesticides, or microplastics. It's important because not all filters remove the same things. Some are certified to remove only basic chemicals, while others can handle a broader range of contaminants. To pick the right one, consider getting your water tested or checking your local water report to see what you need to filter out, then choose a filter that addresses those specific issues.
Filter Capacity
Filter capacity is the amount of water a filter can clean before it needs to be replaced, usually measured in gallons or liters. This matters because it affects how often you'll need to change the filter. Lower-capacity filters (100-300 gallons) need more frequent changes, which can be less convenient for larger households. Higher-capacity filters (over 500 gallons) last longer and are better for families or heavy water users. Think about how much water you use daily to decide what capacity fits your lifestyle.
Flow Rate
Flow rate is how quickly water comes out of the filter, usually measured in gallons per minute (GPM). A higher flow rate means you get filtered water faster, which is useful if you fill large containers or use the filter for cooking. Lower flow rates can be fine for drinking but may be slow for other uses. If you want convenience and speed, look for a higher flow rate, but remember that some advanced filters may be slower because they remove more contaminants.
Installation and Compatibility
This refers to how the filter connects to your faucet and whether it fits your kitchen setup. Some filters are easy to attach and remove, while others may need adapters or more permanent installation. It's important because you want a filter that works with your faucet and doesn't take up too much space. If you move often or have a unique faucet, look for a filter with flexible installation options. If you want a more permanent solution, check the compatibility with your current fixtures.
Maintenance and Filter Replacement
Maintenance involves how often you need to change the filter and how easy it is to do so. Some filters have indicators that tell you when to replace them, while others require you to track usage. This is important because regular maintenance ensures your water stays clean. If you prefer low-maintenance options, look for filters with longer-lasting cartridges and easy replacement processes. If you don't mind more frequent changes, you can choose a filter with a shorter lifespan but possibly lower upfront cost.
Size and Design
Size and design refer to the physical dimensions and appearance of the filter. This matters because countertop space is often limited, and you want a filter that fits comfortably without being in the way. Some filters are compact and sleek, while others are larger but may offer more features. Consider your available space and whether you want the filter to blend in with your kitchen decor or if size is less of a concern.

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