A portable air filtration system used in industrial environments to filter and re-circulate fumes from a fume source includes a housing that filters the fumes from the fume source. The housing defines at least one housing inlet to receive the fumes and a housing outlet to dispense the fumes. A receiving assembly is releaseably engageable with the at least one housing inlet and includes a receiver inlet and a receiver outlet. The receiver outlet is in fluid communication with the at least one housing inlet. The receiver inlet receives the fumes from the fume source and transfers the fumes to the housing inlet. The system is capable of being modified between a plurality of configurations.