10 bestWhole House Water Filtration Systemsof January 2026
112M consumers helped this year.
1
Whole House Well Water Filtration System Filters Iron, Sulfur, Arsenic, Manganese & More - 1" Digital Valve, 1 CuFt
PRO+AQUA
10.0
2
Express Water Incorporated WH300SCGS Whole House Water Filter – 3 Stage Home Filtration, 23.5" x 8.5" x 30"
Express Water
10.0
3
iSpring WGB32B 3-Stage Whole House Water Filter System w/ 20-Inch Sediment and Carbon Block Filters
iSpring
9.9
4
RainFresh MEGA8BR Whole House UV System
RainFresh
9.8
14% off
5
Geekpure 2 Stage Whole House Water Filter System with 20 Inch Blue Housing - 4.5"x 20" PP + Carbon
Geekpure
9.6
OtherUp to 38% 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 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 G3P800 Reverse Osmosis System, 800 GPD Fast Flow, NSF/ANSI 42 & 53 & 58 & 372 Certified, 3:1 Pure to Drain, Tankless Under Sink RO Water Filter System, LED Purifier, Smart Faucet
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
6
Express Water Incorporated WH300SCKS Heavy Metal Whole House Water Filter – Remove Lead
Express Water
9.5
7
Geekpure 5 Stage Whole House Water Filter System with 2.5 x 20 5 Micron PP Sediment + Carbon Filters and 6 GPM UV
Geekpure
9.3
8
Express Water Ultimate Protection Pro Whole House Water Filter System with Spin Down Sediment Filter | 4-Stage Water Filtration, Heavy Metal Anti-Scale, Long Lasting Whole Home Water Filter
Express Water
9.1
9
Max Water 3 Stage 20" Big Blue 1" Port Whole House Water Filter + Pressure Gauge Double O Ring Filter Housing w/Pleated Sediment, PP Sediment, GAC Carbon Filters
Max Water
8.8
10
Geekpure 12 GPM UV Water System (55 Watt) for Whole House - with Extra 2 UV Filter + 2 Quartz Sleeve
Geekpure
8.6
More products we considered
Up to 14% off
Waterdrop G3P600 Reverse Osmosis System, NSF/ANSI 58 & 372 Certified, Tankless Under Sink RO System, RO Water Filter System, TDS Reduction, 600 GPD, Smart LED Faucet
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
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 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
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