10 bestApex Countertop Water Filtersof December 2025
112M consumers helped this year.
11% off
1
Culligan ZeroWater Official Replacement Filter - 5-Stage 0 TDS Filter Replacement - System IAPMO Certified to Reduce Lead, Chromium, and PFOA/PFOS, 3-Pack
ZeroWater
9.7
2
Waterdrop CoreRO Countertop Reverse Osmosis System, Reverse Osmosis Water Filter Countertop, 5 Stage, Portable Pure Water Tank, NSF/ANSI 372 Certified, 3:1 Pure to Drain, No Installation, WD-C1S
Waterdrop
9.4
20% off
3
Waterdrop 15UB Under Sink Water Filter System, Reduces Lead, Chlorine, Bad Taste & Odor, Under Counter Water Filter with Dedicated Brushed Nickel Faucet, NSF/ANSI 42 Certified, 16K Gallons, USA Tech
Waterdrop
9.1
4
Waterdrop WD-CTF-01 Countertop Filtration System, 304 Food-Grade Stainless Steel, 6-Stage Faucet Water Filter, Long-Lasting Life, Reduces 99% of Chlorine, Heavy Metals, Bad Taste (1 Filter Included)
Waterdrop
8.8
6% off
5
ICEPURE Under Sink Water Filter System, 3 Years or 22000 Gallons Ultra High Life NSF/ANSI 42 Certified, Removes Heavy Metals,Chlorine,Direct Connect Under Counter Drinking Water System, USA Tech
ICEPURE
8.5
OtherUp to 26% off
Waterdrop 17UA 3 Years Under Sink Water Filter System-Reduces Lead, Chlorine, Bad Taste & Odor-Under Counter Water Filter Direct Connect to Kitchen Faucet-NSF/ANSI 42 Certified-24000 Gallons-USA Tech
Waterdrop 15UA Under Sink Water Filter System, Reduces Lead, Chlorine, Bad Taste & Odor, Under Counter Water Filter Direct Connect to Kitchen Faucet, NSF/ANSI 42 Certified, 16000 Gallons, USA Tech
Waterdrop TSU 0.01μm Ultra-Filtration Under Sink Water Filter System, 3-Stage High Capacity, USA Tech, Smart Panel, No Waste Water, 2 Years Lifetime
Waterdrop TSA 3-Stage Under Sink Water Filter, Water Filtration System Under Sink System, Direct Connect to Home Faucet, NSF/ANSI 42 Certified Element, USA Tech
6
Brita HUB™ Filter Replacement, Water Filter for Instant Powerful Countertop Water Filtration System
Brita
8.2
7
Waterdrop Alkaline Electric Water Filter Pitcher, Dispenser, 200-Gallon, 5X Times Long-Life Countertop Water Filter System, Reduce PFOA/PFOS, Chlorine, Lead, 15-Cup, White, with 1 Filter
Waterdrop
7.9
8
AquaTru Replacement Reverse Osmosis Filter (Stage 3) for Countertop Reverse Osmosis Water Filter Purification System
AQUA TRU
7.6
9
WaterFirst RO Filter, Replacement Filter for Dr.Water Countertop Reverse Osmosis System, 12-Month Lifetime, 1 Pack, Compatible Model: Dr.Water, 12-24 Months Lifetime
WaterFirst
7.3
10
Frizzlife SS99 Countertop Water Filter System, Stainless Steel Faucet Water Filtration for 8000 Gallons, 0.5 Micron NSF Certified Elements Reduces 99.99% Lead, Chlorine, Heavy Metals, Bad Taste & Odor
FRIZZLIFE
7.0
More products we considered
Waterdrop Whole House Water Filter System, with Carbon Filter and Sediment Filter, 5-Stage Filtration, Highly Reduce Lead, Chlorine, Odor and Taste, 2-Stage 5 Micron WD-WHF21-PG, 1" Inlet/Outlet
Waterdrop G3P600 Reverse Osmosis System, NSF/ANSI 58 & 372 Certified, Tankless RO Water Filter System, Under Sink RO System, TDS Reduction, 600 GPD, Smart LED Faucet, FCC Listed, USA Tech
Waterdrop Reverse Osmosis System, Instant Hot Water Dispenser, 600 GPD, Reduce PFAS, Tankless, 2:1 Pure to Drain, Under Sink, TDS Reduction, Smart LED Faucet, Hot and Cold Water Dispenser Faucet
Waterdrop Reverse Osmosis System, Tankless RO Water Filtration System, 800 GPD Fast Flow, 3:1 Pure to Drain, LED Purifier, Smart Faucet, TDS Reduction, Commercial and Household Usage, G3P800
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