I have used this filter and find this to be a very good filter for this cartridge type.
These little filters cannot remove everything from your refrigerator water system, you'll need a high quality reverse osmosis system for that.
Recently I found a website* that lists the actual impurities that this 4396510 filter removes, I quote:
* 99.35% of Lead at pH 6.5
* 99.31% of Lead at pH 8.5
* 96.70% of Mercury at pH 6.5
* 91.20% of Mercury at pH 8.5
* 99.93% of Asbestos
* 96.30% of Benzene
* 99.70% of P-Dichlorobenzene
* 99.99% of Cysts
* 85.60% of Atrazine
* 92.96% of Toxaphene
* 93.06% of 2,4-D
* 97.60% of Chlorine
* 99.30% of Turbidity
* 99.90% of Particulates (Class I)
As with all built-in refrigerator water filters, the 4396510 does not remove Fluoride.
The 4396510 cartridge is tested and certified by NSF International to meet or exceed NSF/ANSI Standards 42 & 53.
The other model cartridge (4396508) does not filter quite as much as the '10' model.
*Because HTML is not allowed in these reviews I can't show the web address.... Whirlpool 4396510P KitchenAid Quarter-Turn Cyst-Reducing Side-by-Side Refrigerator Water Filter, 2-Pack
We have a Sears Kenmore refrigerator model number 106.53582300 (made by Whirlpool) that we purchased from Sears. It has the round water filter in the base of the refrigerator that should be replaced every year. Sears sends post cards wanting to sell us a filter for $40 plus shipping. After some research we came across this one for less and it works superbly.
Highly recommended to save money over the Sears option.
This is the second batch of these refrigerator water filters I have ordered from Amazon. Any place else you buy them will charge a lot more.
However, I learned something from another review on Amazon that I'd like to pass on: My refrigerator has an indicator light system that supposedly tells when the filter should be replaced. But the indicator lights indicate only the time since they were reset, not the amount of water that has passed through the filter.
Supposedly the filter is good for 400 gallons of water. The refrigerator assumes that by the time six months have passed you will have run 400 gallons of water through the filter. Hence, six months after resetting the indicator light system, it will again show that the filter needs replacing, no matter how much (or how little) water has actually gone through the filter.
Since I use the water dispenser on the refrigerator infrequently, and since I don't use that much ice, that means I have probably been replacing the filter before it really needed to be replaced, based solely on the fact that six months had gone by since I last replaced the filter and reset the indicator lights.
Starting with this batch of filters, I will not replace a filter until the water tastes like the filter isn't doing anything. Your mileage may vary.
We always used the original filters 9010 by Kenmore that you would get at Sears. The prices have gone up to $45 per filter! At first we were leery of how another filter would fit or how the water would taste! These replacement filters went in easier and you can taste the change in the water right away! I highly recommend these filters!
I have a Kenmore side-by-side refrigerator and have used sveral brands of replacement water filters.
I have used Kenmore 46-9010
I have used WaterSentinel WSW-1
I have used Whirlpool 4396508
(the filter being rated is the newer version of the older filter above)
The Whirlpool #4396510 is the newer version and does not need to have a gallon of water run through it after installing it (even though I did flush a liter or two through it to get the air out of the system and to ensure no leaks).
What I like about this filter is the following:
1) NSF certified/tested to tests #42 and #53 (not all filters are tested at all or do not test to #53).
2) This filter claims to removes cysts (whatever they are), but again not all filters claim to remove whatever this is... so it must be a capability that this filter or the tests above meet and allow for (again, other brands do not state, so they must not)??
What I like, is that this filter is a name brand filter for $25.00/ea, tested and certfied, ships free as it meets the minimum shipping amount due to being a 2-pack (so I have year's worth of filters since I replace every 6 months as required)... and compared to the lower price of the cheaper filters available, I do not mind paying an extra $7.00/ea for the benefits mentioned above.... for me it is worth it!!!
As mentioned above, I have purchased and used various replacement filters that all seemed to work, but for the money, this filter has all the right specifications, certifications and that it is the new/updated part number to the Whirlpool filter #4396508 which does not require a gallon of water to be run through it flush out any loose carbon particles.
Buy and enjoy.
We bought the OEM at Sears for about $44 + tax, but returned it the next day when we found these here at a much better price. and ordered them. They came right away and seem to be ok. BUT--on the box where the installation instructions are there is NO reminder to take off and save the end cap from the old filter. Naturally I forgot, removed the old one and put the new one in. It did not look right, I saw what the problem was and managed to remove the new one, put on the end cap, and reinstall it. No harm, no foul, but just be careful when you install one of these. Also there was only 1 sticky to place in the refrigerator to let you know the installation/replacement dates---there should have been 2, one for each filter. - 4396508 - Water Filter - Water Filter For Refrigerator - Refrigerator Water Filters'
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