Under-Sink & Countertop Filtration Systems
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Good DealPentair FreshPoint F3000-B2M 3-Stage Undersink Water Filtration System with Filter Life Monitor, PFAS Water Filter, NSF Certified to Reduce PFOA/PFOS$66.11Save $129.15Used - Amazon.comTypically:$195.26Save $129.15MSRP:$284.00Save $217.89 - Good Deal
Good DealBrondell Coral 3 Stage WQA Gold Certified Undercounter Water Filtration System with Over 99% Lead Reduction in White$119.00Save $40.31Online - Home DepotTypically:$159.31Save $40.31MSRP:$139.99Save $20.99 - Good Deal
Good DealiSpring RO1000-BN Tankless Reverse Osmosis Water Filtration System, 1000 GPD Fast Flow$879.23Save $152.37Online - Amazon.comTypically:$1,031.60Save $152.37MSRP:$1,011.39Save $132.16 - Good Deal
Good DealISPRING NSF-Certified 50-Micron Jumbo Auto-Flush Spin Down Sediment Water Filter w/ Bypass, 1 in. MNPT and 3/4 in. FNPT$270.44Save $57.10Online - Home DepotTypically:$327.54Save $57.10MSRP:$318.17Save $47.73 - Good Deal
Good DealISPRING NSF-Certified 50-Micron Jumbo Auto-Flush Spin Down Sediment Water Filter, 1 in. MNPT and 3/4 in. FNPT$246.50Save $50.48Online - Home DepotTypically:$296.98Save $50.48MSRP:$349.99Save $103.49 - Good Deal
Good Deal3M Aqua-Pure Under Sink Water Filter System AP200, Full Flow$57.98Save $83.59Used - Amazon.comTypically:$141.57Save $83.59MSRP:$165.37Save $107.39 - Good Deal
Good DealAquasana 3-Stage Max Flow Under Counter Water Filtration System with Faucet in Chrome$179.99Save $40.70Online - Home DepotTypically:$220.69Save $40.70MSRP:$349.98Save $169.99 - Good Deal
Good DealISPRING 6-Stage High Capacity Reverse Osmosis Drinking Water Filtration System w/ Alkaline Filter,100 GPD, US Made Filters$255.99Save $55.79Online - Home DepotTypically:$311.78Save $55.79MSRP:$359.99Save $104.00 - Good Deal
Good DealGE Single Stage Under Sink Water Filtration System | Reduces 95+ Impurities Including Lead, Chlorine, Arsenic | Easy Install | Twist & Lock Design | Replace Filter (FQK1R) Every 6 Months | GXK140TNN$29.48Save $45.25Used - Amazon.comTypically:$74.73Save $45.25MSRP:$73.99Save $44.51 - Good DealGood DealBrita Hub Compact Countertop Water Filtration System 87344: BPA-Free, Filters Lead & Chlorine, 72 Volume Capacity$83.99Save $17.52Online - TargetTypically:$101.51Save $17.52MSRP:$101.99Save $18.00
- Good Deal
Good DealISPRING 3-Stage Whole House Water Filter System, Sediment, Iron, Hydrogen Sulfide, PFAS, Lead, Chlorine, Chloramine, Manganese$492.99Save $78.04Online - Home DepotTypically:$571.03Save $78.04MSRP:$579.99Save $87.00 - Good Deal
Good DealISPRING LED UV Water Filter, Add-on Kit for Under Sink Water Filtration Systems, Mercury-Free, Stainless Steel, Silver$94.47Save $19.63Online - Home DepotTypically:$114.10Save $19.63MSRP:$123.49Save $29.02 
ISPRING NSF-Certified 500 GPD Tankless Reverse Osmosis System, Reduces PFAS, Chloramine, Lead, Fluoride, Brushed Nickel Faucet$480.24Save $73.84Online - Home DepotTypically:$554.08Save $73.84MSRP:$559.99Save $79.75
PureDrop PDR-ARB50WSP Whole House Spin Down Sediment Water Filter, Auto Flushing, Touch-Screen, Reusable w/Scraper, 50-Micron$144.00Save $36.00Online - Home DepotTypically:$180.00Save $36.00MSRP:$180.00Save $36.00- Best Seller
Best SellerAquasana 3-Stage Max Flow Under Counter Water Filtration System with Faucet in Brushed Nickel$177.10Save $34.66Online - Home DepotTypically:$211.76Save $34.66MSRP:$349.98Save $172.88 - Best Seller
Best SellerAPEC Water Systems Essence Premium Quality 75 GPD pH+ Alkaline Mineral Under-Sink Reverse Osmosis Drinking Water Filter System$203.96Save $36.03Online - Home DepotTypically:$239.99Save $36.03MSRP:$287.99Save $84.03 
ISPRING NSF-Certified 500 GPD Tankless Reverse Osmosis System, Reduces PFAS, Chloramine, Lead, Fluoride, Oil Rubbed Black Faucet$486.23Save $67.92Online - Home DepotTypically:$554.15Save $67.92MSRP:$486.23
ISPRING NSF-Certified 500 GPD Tankless Reverse Osmosis System w/ Alkaline, Reduces PFAS, Lead, Fluoride, Brushed Nickel Faucet$488.74Save $61.46Online - Home DepotTypically:$550.20Save $61.46MSRP:$629.99Save $141.25
ISPRING NSF-Certified 500 GPD Tankless Reverse Osmosis System w/ Alkaline, Reduces PFAS, Lead, Fluoride, Oil Rubbed Black Faucet$492.99Save $61.95Online - Home DepotTypically:$554.94Save $61.95MSRP:$598.00Save $105.01
Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Filters – 50 GPD, 14 x 17 x 5, White$133.86Save $22.12Online - Amazon.comTypically:$155.98Save $22.12MSRP:$169.99Save $36.13
PureDrop PDR-3CUW 0.01μm 3-Stage Ultra-Filtration Under Sink Water System, Tankless, Chlorine, Bad Taste and Odor, No Waste Water$92.96Save $18.93Online - Home DepotTypically:$111.89Save $18.93MSRP:$116.20Save $23.24
ISPRING WGB21B-KS 2-Stage Whole House Water Filtration System Sediment CTO Filter KDF Plus GAC filter Chlorine, Iron, Lead Odor$160.05Save $23.70Online - Home DepotTypically:$183.75Save $23.70MSRP:$188.29Save $28.24- Best Seller
Best SellerISPRING NSF-Certified 6-Stage Reverse Osmosis System w/ Alkaline Remineralization, Reduces PFAS, Fluoride, Chromium, Lead, TDS$200.78Save $28.86Online - Home DepotTypically:$229.64Save $28.86MSRP:$241.94Save $41.16 
ISPRING 2-Stage Whole House Water Filtration System, 10" x 4.5" Sediment CTO Filter, Anti-scale poly filter, 1"$259.08Save $36.32Online - Home DepotTypically:$295.40Save $36.32MSRP:$281.61Save $22.53
ISPRING NSF-Certified 5-Stage Reverse Osmosis Water Filter System, Reduces PFAS, Chloramine, Lead, Fluoride, TDS$168.29Save $23.04Online - Home DepotTypically:$191.33Save $23.04MSRP:$219.99Save $51.70
ISPRING Leak-Free Direct Connect Under Sink Water Filter System for Kitchen Reduce Odor Chlorine Metals Easy Installation$40.52Save $9.67Online - Home DepotTypically:$50.19Save $9.67MSRP:$54.75Save $14.23
ISPRING UV Ultraviolet Water Filter with Smart Flow Sensor Switch, 11W UV lamp$105.12Save $14.05Online - Home DepotTypically:$119.17Save $14.05MSRP:$29.99
ISPRING Maximum Performance Under Sink Reverse Osmosis Water Filtration System with Booster Pump and Alkaline Filter$265.15Save $33.08Online - Home DepotTypically:$298.23Save $33.08MSRP:$359.99Save $94.84- Best Seller
Best SellerISPRING NSF-Certified 6-Stage Reverse Osmosis System w/ Alkaline Remineralization, Reduces PFAS, Fluoride, Chromium, Lead, TDS$186.11Save $21.54Online - Home DepotTypically:$207.65Save $21.54MSRP:$239.99Save $53.88 
ISPRING 3-Stage Under Sink Water Filter System, Reduces PFAS, Chloramine, Chlorine, Sediments, and More$98.95Save $10.70Online - Home DepotTypically:$109.65Save $10.70MSRP:$135.99Save $37.04
Pentair FreshPoint GRO-575M 5-Stage Undersink Reverse Osmosis System with TDS Monitor, NSF Certified to Reduce PFOA/PFOS$259.17Save $291.32Used - Amazon.comTypically:$550.49Save $291.32MSRP:$649.99Save $390.82
Aquasana SmartFlow™ Reverse Osmosis Water Filter System - High-Efficiency Under Sink RO Removes up to 99.99% of 90 Contaminants, Including Fluoride, Arsenic, Chlorine, and Lead - Matte Black Faucet$203.91Save $19.32Online - Amazon.comTypically:$223.23Save $19.32MSRP:$449.99Save $246.08
InSinkErator HWT-F1000S Hot Water Tank & Filtration System$372.12Save $31.07Online - Amazon.comTypically:$403.19Save $31.07MSRP:$409.99Save $37.87
ISPRING 2-Stage Whole House Water Filter System, Sediment, PFAS, Heavy Metals, Chlorine, Chloramine, Hydrogen Sulfide, Blue$267.64Save $37.33Online - Home DepotTypically:$304.97Save $37.33MSRP:$314.87Save $47.23
ISPRING 0.01 Micron Ultrafiltration Under Sink Water Filtration System up to 99.99% Contaminants Removal, Brushed Nickel Faucet$123.11Save $10.83Online - Home DepotTypically:$133.94Save $10.83MSRP:$9.99
APEC Water Systems Ultimate Premium Quality Permeate Pumped Under-Sink RO Drinking Water System for Low Water Pressure Home$339.31Save $53.40Online - Home DepotTypically:$392.71Save $53.40MSRP:$369.99Save $30.68
ISPRING NSF-Certified 50-Micron Jumbo Auto-Flush Anti Scale Spin Down Sediment Water Filter w/ Bypass,1in. MNPT and 3/4 in. FNPT$361.24Save $29.74Online - Home DepotTypically:$390.98Save $29.74MSRP:$424.99Save $63.75
ISPRING NSF-Certified 7-Stage Reverse Osmosis System with Alkaline and UV Filters, Reduces PFAS, Chloramine, Lead, Fluoride, TDS$271.99Save $32.32Online - Home DepotTypically:$304.31Save $32.32MSRP:$479.98Save $207.99
PureDrop PDR-50WSP Spin Down Sediment Filter, Reusable Whole House Sediment Water Filter for Well Water with Scraper, 50-Micron$42.18Save $6.81Online - Home DepotTypically:$48.99Save $6.81MSRP:$49.00Save $6.82- APEC Water Systems Countertop Reverse Osmosis Water Filtration System - RO-CTOP-C: Portable Water Purifier for Faucets$249.99Save $26.64Online - TargetTypically:$276.63Save $26.64MSRP:$249.99
APEC Water Systems Top Tier Supreme Certified Alkaline Mineral pH+ High Flow 90 GPD 6-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System (Ultimate RO-PH90)$305.99Save $18.72Online - Amazon.comTypically:$324.71Save $18.72MSRP:$359.99Save $54.00
ANCHOR WATER FILTERS Sediment Water Filter Cartridge for Reverse Osmosis Water Filtration Systems$8.55Save $1.15Online - Home DepotTypically:$9.70Save $1.15MSRP:$14.99Save $6.44
ISPRING NSF-Certified 7-Stage Reverse Osmosis Water Filtration System with AK and UV Filters, Reduces PFAS, Lead, Fluoride, TDS$297.49Save $46.80Online - Home DepotTypically:$344.29Save $46.80MSRP:$349.99Save $52.50
AQUASURE Premier Series Alkaline Remineralizing Reverse Osmosis Water Filtration System with Chrome Faucet$205.23Save $14.76Online - Home DepotTypically:$219.99Save $14.76MSRP:$289.99Save $84.76
ANCHOR WATER FILTERS Premium 7-Stage Counter Top Water Filtration System in White$64.99Save $7.50Online - Home DepotTypically:$72.49Save $7.50MSRP:$89.99Save $25.00
ANCHOR WATER FILTERS Premium 7-Stage Counter Top Water Filtration System in Clear$64.99Save $7.50Online - Home DepotTypically:$72.49Save $7.50MSRP:$89.99Save $25.00- GE Under Sink Single Stage Filtration: Water Filter for Sink, Chlorine & Atrazine Removal, 6-Month Life, White$66.99Save $7.58Online - TargetTypically:$74.57Save $7.58MSRP:$79.99Save $13.00
Express Water Reverse Osmosis 5 Stage Water Filtration System - with Faucet and Tank - 100 GPD$171.98Save $10.15Online - Home DepotTypically:$182.13Save $10.15MSRP:$189.99Save $18.01
Culligan Level 1 Easy-Change Undersink Filter System$49.05Save $2.56Online - Home DepotTypically:$51.61Save $2.56MSRP:$85.25Save $36.20
ISPRING Tankless Reverse Osmosis Water Filtration System, 1000 GPD Fast Flow$1,049.37Save $51.67Online - Home DepotTypically:$1,101.04Save $51.67MSRP:$1,140.30Save $90.93
ISPRING NSF-Certified 50-Micron Jumbo Auto-Flush Anti Scale Spin Down Sediment Water Filter, 1 in. MNPT and 3/4 in. FNPT$297.49Save $14.11Online - Home DepotTypically:$311.60Save $14.11MSRP:$349.99Save $52.50
Culligan US-600A Under- Sink Drinking Water Filtration System with Filter, 1,000 Gallon, White$19.82Save $15.17Used - Amazon.comTypically:$34.99Save $15.17MSRP:$34.99Save $15.17
APEC Water Systems WFS-Series Super Capacity Premium Quality 3-Stage Under Counter Water Filtration System$127.49Save $3.36Online - Home DepotTypically:$130.85Save $3.36MSRP:$139.95Save $12.46
Culligan Universal Granular Activated Carbon Replacement Basic Filtration Water Filter Cartridge$13.25Save $1.01Online - Home DepotTypically:$14.26Save $1.01MSRP:$39.13Save $25.88
Culligan IC-100A In-line Ice Maker/Refrigerator Dispenser Filter$14.05Save $0.30Online - Home DepotTypically:$14.35Save $0.30MSRP:$9.99
APEC Water Systems Essence Premium Quality 5-Stage Under-Sink Reverse Osmosis Drinking Water Filter System$195.95Save $2.64Online - Home DepotTypically:$198.59Save $2.64MSRP:$260.00Save $64.05
ISPRING 11-Watt 110-Volt Transformer Ballast with Smart Flow Sensor Switch$52.51Save $3.36Online - Home DepotTypically:$55.87Save $3.36MSRP:$46.41
Culligan Carbon Block Replacement Premium Filtration Water Filter Cartridge$41.99Save $1.59Online - Home DepotTypically:$43.58Save $1.59MSRP:$46.99Save $5.00
KOHLER Aquifer Under-Sink Double Cartridge Water Filtration System$170.88Save $1.59Online - Home DepotTypically:$172.47Save $1.59MSRP:$351.03Save $180.15- APEC Water Systems Countertop Reverse Osmosis Water Filtration SystemWater Filtration System - RO-CTOP-PHC$256.99Save $18.90Online - TargetTypically:$275.89Save $18.90MSRP:$278.99Save $22.00
