Patent ID: 11918946
Assignee: RE-U-ZIP, LLC
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 8:
9. A portable air filtration system, comprising:
a barrier adapted to enclose a space, wherein the barrier comprises an opening;
a filtration unit adapted to be connected to the barrier so as to cover the opening of the barrier, the filtration unit comprising a housing, a primary filter, and a first connector, wherein the housing comprises a first end, a first opening at the first end, a second end, and a second opening at the second end, wherein the primary filter is connected to the housing such that an airflow entering the housing passes through the primary filter;
a secondary filter removably connected to the first connector of the filtration unit; and
a second connector for connecting the filtration unit to the barrier, the second connector comprising a first side and a second side, wherein the second side of the second connector is connected to the barrier, wherein the first side of the second connector is removably connected to the first connector;
wherein the first connector comprises a first magnetic element and wherein the second connector comprises a second magnetic element, wherein the first magnetic element is adapted to magnetically engage with the second magnetic element.