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Another inexpensive option

One of the old time tricks used to dry air while filling tanks for scuba diving was to run it through a canister filter that had special charcoal to take out impurities, and then in the bottom several Feminine napkins like Kotex or equals. The napkins contain a product that absorbs huge amounts of liquid and for a welding unit will do the same for just moisture water. To a point they can also be redried and reused when exchanged. It is also an air drying system I use for paint spraying equipment when needed though I favor High volume / low air units anyhow.


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