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Home Water Filter Comparison Chart
Brand Aquasana Amway Culligan Kenmore Seagul PUR Brita Brita
Model Number AQ-4000 E-5199 SY-2300 Deluxe 38465 IV X-1 Plus FM-3000 Faucet Filter Pitcher Filter
Retail Price $119.95 $420.00 $159.99 $149.99 $420.00 $49.95 $34.95 $24.95
Replacement Cartridge $45.00/
500 gal.
$120.00/
1250 gal.
$50.39/
500 gal.
$49.00/
500 gal.
$69.99/
1000 gal.
$20.00/
100 gal.
$20.00/
100 gal.
$7.70/
30 gal.
Per Gallon Cost 9˘/
gal.
9.6˘/
gal.
10˘/
gal.
9.8˘/
gal.
7˘/
gal.
20˘/
gal.
20˘/
gal.
25˘/
gal.
Removes Chlorine YES
>99%
YES
97.9%
YES
97%
YES
99%
YES
>75%
YES
98%
YES
99%
YES
>75%
Removes Lead YES
>99%
YES
98%
YES
95%
YES
92%
NO YES
96%
YES
99%
YES
93%
Removes Cysts YES
>99.99%
YES
99.5%
YES
99%
NO YES
>99%
YES
99.99%
YES
99.99%
NO
Removes THMs YES
>99%
YES
>99%
YES
95%
YES
99%
NO NO NO NO
Removes VOCs YES
>99%
YES
>99%
YES
95%
YES
95%
NO NO NO NO
Removes Lindane YES
>99%
YES
72.7%
YES
99%
YES
99%
NO YES
97%
YES
99%
NO
Removes Alachlor YES
>98%
YES
95%
YES
98%
YES
95%
NO NO YES
99%
NO
Removes Atrizine YES
>97%
YES
>97%
YES
97%
YES
97%
NO YES
96%
YES
92%
NO
Removes Benzene YES
>99%
YES
>97%
YES
99%
YES
83%
NO NO YES
96%
NO
Removes TCE YES
>99%
YES
>98%
YES
99%
YES
98%
YES
>99%
NO YES
99%
NO
Removes MTBE YES
>93%
NO YES
90%
NO NO NO NO NO
Total Cost For
1 Year/1000 gal.
$164.95 $420.00 $210.38 $198.99 $489.99 $229.95 $214.95 $273.91
Comparing Water Filters - Most Common Things To Look For:

Lead, Volatile Organic Compounds (VOCs), Organic Contaminants, Disinfection By-Products, and Trihalomethanes (THMs) are the most noticeable problems on these reports. Often these toxic chemicals exceed the MCLGs or healthful thresholds. Also, these thresholds are relevant only to the one contaminant; if more than one contaminant is present, the thresholds for heath risks drop considerably.

All performance claims and pricing were taken from the manufacturer’s literature and certified claims.

Many models were reviewed but not included in this comparison because of undocumented performance claims. Some brands made exaggerated claims in their literature and on their company web sites that did not match the "certified claims" on the product's "Performance Data Sheet.” Only performance claims that have been certified by the National Sanitation Foundation (NSF), Underwriter’s Laboratory (UL), or the Dept. of Health were included in our comparisons. The water treatment industry is extremely regulated. Companies that market undocumented products or make uncertified claims are heavily restricted as to how and where they can sell their products. One should beware of products that offer different performance claims in different states. California, Wisconsin, Iowa, and several other states prohibit uncertified claims.
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