Graindor Coffee Filters No. 4

Graindor is an in-house private label brand owned by the Belgian retail group Colruyt Group (Etablissementen Franz Colruyt N.V.). While Graindor is primarily renowned for its coffee beans and ground coffee roasted in-house at Colruyt's roasting facilities in Halle, Belgium, the brand also encompasses coffee accessories such as unbleached paper coffee filters.

Colruyt Group is one of Belgium's largest retail companies, operating numerous supermarket chains and distribution networks across Belgium, France, and Luxembourg. The paper filters are manufactured by specialized paper converter suppliers within Europe under Colruyt's Graindor brand name.