The one gallon, immediate containment ULPA filter, US Patent No. 7,048,773 is manufactured with Pentair brand media is 99.999% efficient at .12 micron and includes three layers of 56 pleat media. The three layers consist of one cellulose layer and two glass layers.
The ULPA, immediate containment filter captures everything from hazardous particulate to lead paint dust/chips-RRP (Renovation, Repair and Painting), cement dust, silica dust, engineered stone, mold, etc.
