Under Sink Water Filter Comparison Chart

Below is our under sink water filter comparison chart listing 5 popular models.

Each of the water filter models differ in shape and size and fit nicely under a kitchen sink to provide clean drinking water as well as clean water for cooking.

Please click on the model name to read our full comprehensive reviews.

Aquasana Under Counter Water Filter Crystal Quest Mega Double Undersink water filter Aqua-pure AP-DWS1000 Undersink Drinking Water Filter System Watts Premier 531130 Filter-Pure UF-3 3-Stage Water Filtration System Culligan US-EZ-4 EZ-Change Level-4 Under-Sink Drinking Water System
Type of Filtration Duel Filter system uses a combination of carbon filtration ion exchange and sub-micron filtration 7 Unique Stages – Uses Activated Carbon Dual Stage Carbon Block Utilizes high performance sediment pre-filter, lead and chemical reducing carbon block followed by ultra filtration membrane filter Activated Carbon
Price Range Under $200 Under $200 Over $200 Under $200 Under $100
Filter Replacements Every 6 months or 500 gallons Every 1 – 1.5 years Every 6 months or 625 gallons Every year Every 6 months or 500 gallons
Approx. Filter Replacement Costs $53.99 or $48 with Water for Life Program $57 for the mult stage PLUS filter cartridge $19.50 for Carbon block filter. Price drops if you buy in bulk. $103.99 $64.14 annual replacement pack $31.83
Approx. Cost Per Gallon .09 cents .05 cents ? .06 cents .06 cents
Disinfectants & By-Products Removed Carbon Tetrachloride, Chlorine, THM (chloroform), Dichloropropane, trihalomethanes(THMs)/TTHMs, Halocetonitriles, Haloketones, Hexachloro-butadiene, Terachloro-ethylene, & Tetrachloro-ethylene, Tribromoacetic acid Chlorine, trihalomethanes (THM’s) Chlorine, trihalomethanes (THMs) Chlorine Chlorine
Removes or Reduces Lead? Yes Yes Yes Yes Yes
Removes Microscopic Organisms? Yes – Cysts (Cryptosporidium & Giardia) Yes – Cysts (Cryptosporidium & Giardia) Yes – Cysts (Giardia) Yes – Cyst (Cryptosporidium & Giardia), entamoeba, toxoplasmosis Yes – Cysts (Cryptosporidium & Giardia)
Removes Aesthetics such as Taste and Odour? Yes Yes Yes Yes Yes
Removes Industrial Solvents such as MTBE? Yes Yes Yes Don’t Know Yes
Removes Herbacides & Pesticides? Yes – 2,4,5-TP (Silvex), 2,4 D, Alachlor, Asbestos, Atrazine, Carbofuran, Chlorobenzene, DBCP, Dichloropropylene, Dinoseb, Endrin, Heptachlor, Heptachlor Epoxide, Hexachlorocyclopentadine, Methoxychlor, O&P Dichlorobenzene, Pentachlorophenol & Simazine Yes – Endrine,2,4-D, Silvex (2,4,5-TP) Yes Yes Don’t know
Removes Organic chemical compounds? Yes – Benzene, Chloropicin, Dichloroethane, Dichloroethylene, EDB, Ethybenzene, Styrene, Toluene, Volatile Organic Compounds (VOCs) & Xylenes Yes – benzene, PCB’s, volatile organic compounds (VOC’s, insecticides, pesticides and industrial solvents), toxaphene Yes – VOC’s including Benzene, Toluene and PCE, Atrazine Yes – VOCs Yes – VOC, Chloramines, Atrazine
Removes Pharmaceuticals such as Lindane? Yes Yes Yes Don’t know Yes
Warranty 1 year warranty. Or extended life time warranty available with their ‘Water For Life Program’ 1 year limited warranty 10 year warranty 3 year limited warranty Limited warranty
Return Policy 90 days money back guarantee Within 30 days if unused. Less shipping and handling & possibly restocking fee 15 day money back guarantee (restocking fee may apply) 30 days if item is defective, but you pay shipping fee. Deffective after 30 days falls under warranty. Depending on circumstances, 15% restocking fee may apply 30 day Satisfaction Guarantee or they will refund your product. Dealer participation may vary.
Dimensions H x L x W 12″ x 7″ x 4″ 3.5″ x 10.5″ x 3.5″ 11″ x 15.5″ x 4.5″ 9″ x 3.5″ x 14″ 14.25″ x 9.25″x8.4″
Available At: Aquasana.com CrystalQuest.com Amazon.com Amazon.com Amazon.com