D3SM filters represent the latest technology for filtration in hot gas generators. D3SM (depth-defined slit metal) is a sheet metal with openings that are defined in the depth of the material and with that along all three dimensions. As a result, filter rings of D3SM redefine and improve hot gas filtration, control all functional variables and reduce performance-weight. D3SM filters represent an innovative and more capable alternative to the conservative materials knitted mesh, wire mesh or expanded metal – all exhibiting an undefined depth structure and consequently requiring broad tolerance corridors for all performance parameters.

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