The invention is a portable external modular filtering and contamination removal system for a ship. A plurality of unit masks are each half etched from different surfaces and thus a height of wrinkles generated in the mask of the mask frame assembly may be reduced. According to the invention said glucose and said at least one calcium salt, are present as anhydrous components in said dialysis acid precursor composition. A plurality of MIMO-configured radio ports on the radio communicates radio signals to and from the antenna elements.