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Best Water Purifiers
21 products researched and ranked
Under-sink, countertop, and whole-house water filtration systems.
Subcategories
Under-Sink(10)
Countertop Filters(4)
Whole House(0)
Our Rankings
Ranked by value, reviews, and specs1
Kraus
Kraus KHU100-30 Kitchen Sink
9.6/10(9,200 reviews)
$299$349-14%
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2
Berkey
Berkey Gravity-Fed Water Filter
9.6/10(9,200 reviews)
$345$369-7%
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3
APEC
APEC ROES-50 RO System
9.4/10(9,876 reviews)
$199$249-20%
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4
Brita
Brita UltraMax Water Dispenser
9.4/10(15,400 reviews)
$44.99$49.99-10%
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5
Berkey
Berkey BK4X2-BB Big Berkey Gravity-Fed Water Filter
9.4/10(15,800 reviews)
$367$389-6%
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6
InSinkErator
InSinkErator Evolution Excel
9.4/10(15,600 reviews)
$399$449-11%
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7
InSinkErator
InSinkErator Evolution Compact
9.4/10(15,800 reviews)
$219$249-12%
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8
Waterdrop
Waterdrop G3P800 RO System
9.2/10(2,345 reviews)
$699$799-13%
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9
Waste King
Waste King L-8000
9.2/10(11,200 reviews)
$129$159-19%
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10
Moen
Moen GX50C Prep Series
9.0/10(8,700 reviews)
$99$129-23%
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11
Berkey
Berkey Big Berkey Gravity Filter
9.0/10(8,765 reviews)
$399
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12
Whirlpool
Whirlpool GC2000XE
9.0/10(7,200 reviews)
$159$189-16%
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13
KitchenAid
KitchenAid Continuous Feed Garbage Disposal
9.0/10(5,400 reviews)
$299$349-14%
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14
Aquasana
Aquasana 3-Stage Max Flow Under Sink Water Filter
9.0/10(3,400 reviews)
$225$275-18%
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15
APEX
Apex Countertop Drinking Water Filter
8.8/10(3,200 reviews)
$95$120-21%
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16
PUR
PUR Classic 11-Cup Water Filter Pitcher
8.8/10(8,900 reviews)
$29.99$34.99-14%
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17
Franke
Franke FWDJ75
8.8/10(5,400 reviews)
$249$299-17%
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18
Aquasana
Aquasana AQ-4000W Countertop Water Filter
8.6/10(4,500 reviews)
$129$139-7%
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19
GE
GE GFC520V
8.6/10(6,500 reviews)
$79$99-20%
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20
Frigidaire
Frigidaire FFDI331DMS
8.4/10(3,800 reviews)
$79$99-20%
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21
iSpring
iSpring CKC1C Countertop Water Filter
8.4/10(2,700 reviews)
$55$75-27%
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