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Home†>†Water University†>†Water Filter Videos†>†Doulton W9121302 Imperial Super Sterasyl Gravity Filter Video

Doulton W9121302 Imperial Super Sterasyl Gravity Filter Video




Doulton W9121302 Imperial Super Sterasyl Gravity Filter Video Transcript

Hey everyone, Tony the Filter Doctor here. Today weíre looking at the Doulton W9121302. This is the Imperial Super Sterasyl seven ceramic inch filter candle. Itís designed with a 1 ľ inch threaded stem specifically for gravity fed filter systems. And itís commonly used in Doulton systems like the SS4 and in Berkey systems like the Big Berkey, and others. Now, the Imperial Super Sterasyl features Doultonís standard ceramic technology with imbedded silver. This imbedding process is superior to the silver impregnating that many manufacturers use, because it keeps the silver in the ceramic and does not allow it to escape and get into your drinking water. And you donít want it in your drinking water but you do want it in the cartridge because it causes the filter to be self-sterilizing and bacteriostatic so that microorganisms cannot live and grow on this filter media. And the ceramic filter shell produces excellent tight filtration, providing absolute filtration down to 0.9 microns. That will give you 99.99% reduction of microbial cysts like cryptosporidium and giardia, as well as the same level of protection for pathogenic bacteria like salmonella, e coli, and cholera. Now, inside of the ceramic shell is a layer of granular activated carbon, and of course, activated carbon removes a long list or organic and inorganic contaminants, as well as a variety of VOCís, which are volatile organic compounds. And you will get really good tasting water, because the carbon, of course, removes chlorine taste and odor and generally improves the palatability of your water product. Itís a great filter and best of all, itís highly reusable. These ceramic elements can be washed and reused many many many times. Simply remove it from the filter housing, and under running water lightly scrub it with a green Scotchbrite until it returns to itsí original creamy white color, then reinstall and youíre back in business. Now, determining filter life depends on what contaminants youíre most concerned with. If you are concerned with a contaminant that is removed by the granular activated carbon, the GAC inside the ceramic shell will be exhausted in about 600 gallons, long before the ceramic outer shell begins to wear thin. But, if your primary concern is with sediment or microbial organisms, then youíre depending on the ceramic shell and that will last many many many times longer than the granular activated carbon. I canít give you an exact number of gallons, but be sure it will be several thousand gallons before the ceramic wears so thin that it needs to be replaced. Again, this is the Doulton W9121302, Imperial Super Sterasyl seven inch ceramic filter candle. Iím your host Tony the Filter Doctor. Thanks for watching.

See detailed specifications and purchase the Doulton W9121302 here.