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The Katadyn TRK Gravidyn Replacement Element will restore your filter to working order after it chokes to death on an endless supply of pond scum. The field-cleanable .2 micron ceramic depth Gravidyn element will filter up to 13,000 gallons (52,000L) of water, keeping you safely germ-free.

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Katadyn TRK Gravidyn Replacement Element

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Unanswered Question

how close to bottled water does the Katadyn...

Posted on

how close to bottled water does the Katadyn Gravidyn produce?

5 5

Cool Clean Water

These gravidyns supply all clean potable water for two of us for extended stays at our cabin. I use a house filter first to get the chunks out, then the gravidyns. The time of year(muddy creek) dictates how often I have to clean the filters and that only takes a few minutes. I will buy these again.

Cool Clean Water
Cabin Filters

Cabin Filters

Posted on

I built a system to filter the creek water at our remote cabin in central Idaho. ( the three black tubes in the upper left house the Gravidyns) I store the water in 60 gal barrels then pump it into the house with an RV pump powered by solar pannel and battery.

Dear Sir,


We, Iveriapharma Ltd....

Posted on

Dear Sir,


We, Iveriapharma Ltd. Tbilisi.Georgia would like to purchase ceramic filters and would like to know what size and mickon of filters could you offer?

Thank in advance

Ms.Nino

Responded on

The TRK Gravidyn replacement element filters down to 0.2 microns.

what are the dimensions (length & diam)?

Posted on

what are the dimensions (length & diam)?

Responded on

14.5" long by 1.5" diameter.