Abstract: A housing for a filter element includes a fluid inlet and a deflector arrangement leading the fluid to be filtered towards the filter element. The invention further relates to a filter including a housing; a filter element arranged within the housing and dividing the space inside the housing into a first and second chamber, the inlet in communication with the first chamber. Pressure loss is advantageously reduced due to the deflector arrangement Meanwhile, by distributing the deflecting parts of said deflector arrangement evenly, the uniformity of velocity at the surface of filter element is also improved, while the occurrence of inefficiency of filtration or the like decreases.