Getter composition to be used for controlling the amount of moisture and organic gases in sealed electronic or optoelectronic devices, said composition comprising a blend of first getter and second getter powders in a weight ratio comprised between 0.1 and 5.0, wherein the first getter is polyphenylene oxide (PPO) or Poly(2,6-diphenyl-p-phenylene oxide) (PPPO) and the second getter is a Faujasite (FAU) zeolite or a mixture of a Faujasite (FAU) zeolite and a Linde Type A (LTA) zeolite with a ratio comprised between 0.1 and 5.0. The invention also relates to a dispensable paste comprising a resin and the getter composition.