An apparatus comprising: a housing for a centrifugal pump assembly, the housing comprising: a first housing wall portion that defines a chamber formed therein, wherein the chamber is configured to receive a combination of a bearing assembly and a shaft to be rotated; a second housing wall portion that defines a sump formed therein and fluidically coupled to the chamber, wherein the sump is configured to receive filtered oil from a channel; a third housing wall portion that defines the channel formed therein and fluidically coupled to the sump, wherein the channel is configured to receive the filtered oil from a filter cavity and dispense to the sump; and a fourth housing wall portion that defines the filter cavity formed therein, distinct from the sump and the channel, and fluidically coupled to the channel, wherein the filter cavity is configured to receive contaminated oil from an oil path and disperse the filtered oil to the channel; a fifth housing wall portion that defines another filter cavity formed therein fluidically coupled between the chamber and the sump, wherein the other filter cavity is configured to disperse filtered oil from the filter and provide to the sump; and a removable filter assembly comprising: a filter portion configured to filter the contaminated oil received from the oil path and disperse the filtered oil to the channel effective to lubricate the bearing assembly in the chamber when the shaft is rotated, wherein the filter portion is replaceable; and a plug portion fluidically coupled to the filter portion and configured to pass the contaminated oil from the oil path to the filter portion, wherein the plug portion is reusable; characterised in that the filter assembly is configured to be placed in the filter cavity or the other filter cavity based on a rotation direction of the shaft. a first housing wall portion that defines a chamber formed therein, wherein the chamber is configured to receive a combination of a bearing assembly and a shaft to be rotated; a second housing wall portion that defines a sump formed therein and fluidically coupled to the chamber, wherein the sump is configured to receive filtered oil from a channel; a third housing wall portion that defines the channel formed therein and fluidically coupled to the sump, wherein the channel is configured to receive the filtered oil from a filter cavity and dispense to the sump; and a fourth housing wall portion that defines the filter cavity formed therein, distinct from the sump and the channel, and fluidically coupled to the channel, wherein the filter cavity is configured to receive contaminated oil from an oil path and disperse the filtered oil to the channel; a fifth housing wall portion that defines another filter cavity formed therein fluidically coupled between the chamber and the sump, wherein the other filter cavity is configured to disperse filtered oil from the filter and provide to the sump; and a removable filter assembly comprising: a filter portion configured to filter the contaminated oil received from the oil path and disperse the filtered oil to the channel effective to lubricate the bearing assembly in the chamber when the shaft is rotated, wherein the filter portion is replaceable; and a plug portion fluidically coupled to the filter portion and configured to pass the contaminated oil from the oil path to the filter portion, wherein the plug portion is reusable; characterised in that the filter assembly is configured to be placed in the filter cavity or the other filter cavity based on a rotation direction of the shaft. a filter portion configured to filter the contaminated oil received from the oil path and disperse the filtered oil to the channel effective to lubricate the bearing assembly in the chamber when the shaft is rotated, wherein the filter portion is replaceable; and a plug portion fluidically coupled to the filter portion and configured to pass the contaminated oil from the oil path to the filter portion, wherein the plug portion is reusable; characterised in that the filter assembly is configured to be placed in the filter cavity or the other filter cavity based on a rotation direction of the shaft.