FMC103 DUPONT 100 Gallon Faucet Mount Filter Cartridges

These Dupont Faucet Filter cartridges FMC103 & FMC300 are rip-offs. They are prone to premature rupturing, likely due to a manufacturing/design defect and will not last you anywhere near the life they claim. The bottom seam/weld of the cartridge is very weak and will not last the 100 or 200 gallons of life it''s rated for. I have gone through three FMC300 cartridges (rated for 200 gallons) but in fact lasted less than 50 gallons of use, rendering them useless. The first sign of trouble is usually a slow drip from somewhere around filter unit; eventually it deteriorates into a gushing fountain.

Dupont Customer Service is aware of the problem with these cartridge. They told me both the 100 and 200 gallon cartridges have the same problem. If you call to ask for a replacement of a leaky faucet filter unit they will demand a dated sales receipt, etc. But if you tell them you have a defective, ruptured cartridge, they will send you a replacement, no questions asked. Obviously, they know the FMC300 cartridge is a defective product.

Never had one problem with this system in years, before would have Pur systems that would break every 3 months Dupont is just stellar. I highly recommend.

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This is one of those "it used to be good" reviews. Bought one of these a year ago, used the FMC300 filter, which has apparently disappeared from the market according to my observations and reports on these Amazon reviews.

This product is manufactured by DuPont for Walmart and was originally billed as a Walmart-only product. It was inexpensive ($14 for the filter + cartridge, and less than $9 for replacement filters). Now the prices approach that of other brands. Replacements are about $12 for the FMC100. The empty shelf space showed a 3-pack of FMC300''s listed for just over $40. Curiously, I just checked and cannot even find these filters or cartridges listed on Walmart''s website a search on the model number or DuPont only turns up random items and/or other brands of water filters.

My main complaint about this new FMC100 is that the water tastes distinctly salty. The replacement filter should be flushed by now it has been a week since I installed it. But the salt flavor lingers, in plain water, coffee, what have you. I''m going to dig my old Culligan FM-15A out of storage and (hopefully) find a replacement filter for it. I gave up on the Culligan, which I liked, because I was having problems finding replacement cartridges.

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These filters says that you can get 100 gallons of water per use, but for some reason when the filters get to around 50 gallons they just explode in the housing system. I bought this pack of three and in less that 1 month I was done with the set. At first I thought I might had one defective filter and thought nothing off it, but withing 1 week the same thing happened again. They keep breaking around the base of the filter in the exact same spot, with the filter broken the system is no good because it just leaks water everywhere. I had a Brita system for years and never had any of these problems. I wish I had keep it instead of thinking I was getting an upgrade. People save your money, do not buy this product!

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Water tastes much better with this filter.

Only thing annoying is that the filter cartridges are impossible to find in stores.

Never had a filter rupture like the other guy.