Description
The range of 3/8″ (10MM) Round Rock Exposed that we offer, is spherical in shape and allows even distribution in support beds and good flow. It is quite similar to Filter Sand in properties, but the only difference is its shape. These are free from calcium and are very effective in the case of softeners, as this helps in maintaining the quality. Support gravel acts as a support for the filter media and forms the lower levels of the filter bed.
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