Compressed air drier

Claim 1

A compressed air dried comprising a base (5) having an inlet (6) and an outlet (7) for compressed air, a reservoir (4) containing a cartridge (8) filled with filter material (12) and desiccant (11), two inner partition walls (13, 14) in said cartridge defining a winding path for the compressed air through the cartridge characterized in that said cartridge (8) has the same outer shape and dimensions as the inner shape and dimensions of said reservoir (4) and that said two partition walls (13, 14) extend across the width of the cartridge and are longitudinally oriented defining an X-shaped cross-section and extend from said base to proximate the top of said reservoir, providing two openings (15) at the end remote from the base (5), said openings being located on opposite sides of the intersection between said two partition walls, said base (5) having two corresponding walls (16, 17) coplanar with the partition walls in the cartridge and in communication with the inlet and outlet so that the compressed air will be transported consecutively through all four desiccant-filled cartridge compartments formed by the walls.